US3893955A - Aqueous concentrate detergent component - Google Patents
Aqueous concentrate detergent component Download PDFInfo
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- US3893955A US3893955A US298989A US29898972A US3893955A US 3893955 A US3893955 A US 3893955A US 298989 A US298989 A US 298989A US 29898972 A US29898972 A US 29898972A US 3893955 A US3893955 A US 3893955A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/362—Polycarboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
Definitions
- ABSTRACT Concentrates of sulphates of alkoxylated alcohols are diluted only with difficulty as a result of a viscosity peak being encountered during the dilution.
- a water soluble salt of an acid of the general formula A(COOH) is incorporated in the concentrate.
- said acid is one of the following: Glycollic acid, lactic acid, malic acid, glyceric acid, tartaric acid, citric acid, gluconic acid, saccharic acid, formic acid, acetic acid, butyric acid, oxalic acid, maleic acid, succinic acid or itaconic acid.
- the formulations may be employed in shampoos.
- the present invention relates to detergent components, in particular it relates to the sulphates of alkoxylated alcohols in particular to sulphates of alkoxylated C to C alcohols such as sulphated ethoxylated lauryl alcohol or mixtures containing lauryl alcohol derivatives.
- alkoxylated alcohols such as sulphated ethoxylated lauryl alcohol or mixtures containing lauryl alcohol derivatives.
- the alkyl derivative has a chain with a carbon number ranging from C to C
- Such a feedstock can readily be obtained from coconut or PK oil, or commercially available Ziegler or oxo alcohols.
- Aqueous solutions of these compounds are employed in cosmetic, toiletry and detergent compositions for example shampoos and bubble baths and liquid cleaning compositions. Normally these materials are supplied at 29% active ingredient but in the interests of economy in transport and packaging high concentrations of the order to 50 70% are also commercially available. At these high concentrations they have the texture of a thick paste. In the final formulation they are normally present in an amount less than 30% active in an aqueous solution.
- viscosity modifiers have been incorporated in aqueous concentrates of sulphates of ethoxylated alcohol so as to maintain the viscosity of a solution at high concentrations at a level such that the solutions are reasonably free flowing and are easily diluted to any required concentration.
- any additive employed should not prevent or hinder the effect of thickeners conventionally used such as sodium chloride or ammonium salts, which it may be desired to incorporate in the finished formulation in order to give it an acceptable consis' tency.
- A is hydrogen or a saturated or unsaturated aliphatic residue having from I to 8 carbon atoms, optionally containing hydroxy substituents or may be nothing if n is 2, and n is an integer from 1 to 4. Normally the residue A will have no more than 5 hydroxy substituents.
- the present invention provides an aqueous concentrate comprising at least 30% preferably 50% by weight of a sulphate of an alkoxylated alcohol and from 1 10% preferably 2 4% by weight of a salt of an aliphatic carboxylic acids hereinbefore defined.
- Concentrates which are particularly suitable for modification according to the present invention are normally commercially available materials such as the sodium salt of the sulphate of an ethoxylated commercial lauryl alcohol having nominally l 4 oxyethylene groups.
- Commercial lauryl alcohol is normally a mixture of compounds having an average chain length of about 12 carbon atoms.
- Other compounds such as the equivalent propoxylated derivatives or mixed ethoylated propoxylated derivatives or the derivatives of other C C15 alcohols may also be employed.
- Such compounds are frequently in the form of their sodium salts although concentrates according to the invention may also be of use for salts such as potassium, magnesium, lithium, ammonium or alkylolamine salts.
- detergent sulphosuccinates sulphosuccinamates, alkyl sulphate salts or nonionic surface active agents such as polyoxy alkylene ethers and esters.
- the concentrate according to the invention may be diluted by the formulator at any convenient temperature, preferably in the range l5- 70C, to the final concentration required for the formulation. After such dilution other ingredients required for the final product may also be added as desired.
- the present invention comprises making an aqueous solution of a sulphated ethoxylated alcohol as previously described of a concentration below 30% by weight by the addition of water to an aqueous concentrate having a content of at least 30% 30% weight of the sulphated ethoxylated alcohol and from 1 10% by weight of a salt of an aliphatic hydroxylic carboxylic acid.
- compositions according to the invention are illustrated by the following examples.
- EXAMPLE 4 Commercial sodium lauryl ether sulphate was prepared at a concentration of 50% by neutralising lauryl ether sulphuric acid with aqueous sodium hydroxide in a continuous mixer. The product was a gel having a viscosity of 200,000 cp.
- the product was a free flowing mobile liquid crystalline system having a viscosity of 10,000 cp when measured by the procedure given in Example 1.
- An aqueous concentrate comprising 30-75% by weight of a sulphate of an alkoxylated aliphatic C -C alcohol and form 2 to l0% by weight of a water soluble salt of a carboxylic acid of the general formula A (COOH), wherein n is an integer of l to 4, and A is selected from the group consisting of hydrogen, a saturated aliphatic residue having from 1 to 8 carbon atoms, an unsaturated aliphatic residue of 2 to 8 carbon atoms, and when n is 2 the said formula also may be (COOH) 2.
- a concentrate according to claim 3 wherein said salt is a salt of an acid selected from the group consisting of glycollic acid, lactic acid, malic acid, glyceric acid, tartaric acid, citric acid, gluconic acid or saccharic acid.
- a concentrate according to claim 1 wherein said salt is a salt of an acid selected from the group consist ing of formic acid, acetic acid, butyric acid, oxalic acid, maleic acid, succinic acid or itaconic acid.
- a concentrate according to claim 3 wherein the sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 mols of ethylene oxide per mole of commercial lauryl alcohol.
- a concentrate according to claim 5 wherein the sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 mols of ethylene oxide per mole of commercial lauryl alcohol.
- a concentrate according to claim 2 which also contains sodium chloride or sodium sulphate in an amount of up to 10 by weight of the alkyl ether sulphate.
- a concentrate according to claim 3 which contains free alkoxylated alcohol.
- a concentrate according to claim 5 which contains free alkoxylated alcohol.
- a concentrate according to claim 1 which contains at least 50% by weight of sulphate of alkoxylated alcohol.
- a concentrate according to claim 14 wherein said water-soluble salt of a carboxylic acid is a salt of citric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
- a concentrate according to claim 1 which does not contain isopropyl alcohol or ethanol in amounts sufficient to render said concentrate free-flowing in the absence of said salt.
- a free-flowing aqueous concentrate comprising an admixture of i. between 2 and 10% by weight of a water soluble salt of a carboxylic acid of general formula A(- COOH),., wherein n is an integer of l to 4, and A is selected from the group consisting of hydrogen, a saturated aliphatic residue of l to 8 carbon atoms, an unsaturated aliphatic residue of 2 to 8 carbon atoms, and when n is 2, the said formula also may be (COOH) and ii.
- an aqueous concentrate comprising between 30 and by weight of a sulphate of an alkoxylated aliphatic C -C alcohol which aqueous concentrate would be a thick paste or gel in the absence of admixture with component (i). 19.
Abstract
Concentrates of sulphates of alkoxylated alcohols are diluted only with difficulty as a result of a viscosity peak being encountered during the dilution. This problem may be mitigated if a water soluble salt of an acid of the general formula A(COOH)n is incorporated in the concentrate. Preferably said acid is one of the following: Glycollic acid, lactic acid, malic acid, glyceric acid, tartaric acid, citric acid, gluconic acid, saccharic acid, formic acid, acetic acid, butyric acid, oxalic acid, maleic acid, succinic acid or itaconic acid. The formulations may be employed in shampoos.
Description
United States Patent [1 1 Hewitt et al. 1 July 8, 1975 AQUEOUS CONCENTRATE DETERGENT 3,038,862 6/1962 de .long et a1. 252/551 X 3,574,125 4/1971 van Paassen...... 252/551 X COMPONENT 3,661,787 5/1972 Brown 252/109 Inventors: Thomas Hewitt, Maryport; Douglas Edward Mather, Whitehaven; Edward Tunstall Messenger, High Harrington, all of England Albright & Wilson Limited, West Midlands, England Filed: Oct. 19, 1972 Appl. No.: 298,989
Assignee:
References Cited UNITED STATES PATENTS 6/1960 Korpi et 252/551 X Primary Examiner-Stephen .l. Lechert, Jr. Attorney, Agent, or FirmFlynn & Frishauf [57] ABSTRACT Concentrates of sulphates of alkoxylated alcohols are diluted only with difficulty as a result of a viscosity peak being encountered during the dilution.
This problem may be mitigated if a water soluble salt of an acid of the general formula A(COOH), is incorporated in the concentrate. Preferably said acid is one of the following: Glycollic acid, lactic acid, malic acid, glyceric acid, tartaric acid, citric acid, gluconic acid, saccharic acid, formic acid, acetic acid, butyric acid, oxalic acid, maleic acid, succinic acid or itaconic acid.
The formulations may be employed in shampoos.
20 Claims, No Drawings 1 AQUEOUS CONCENTRATE DETERGENT COMPONENT The present invention relates to detergent components, in particular it relates to the sulphates of alkoxylated alcohols in particular to sulphates of alkoxylated C to C alcohols such as sulphated ethoxylated lauryl alcohol or mixtures containing lauryl alcohol derivatives. For example those in which the alkyl derivative has a chain with a carbon number ranging from C to C Such a feedstock can readily be obtained from coconut or PK oil, or commercially available Ziegler or oxo alcohols.
Aqueous solutions of these compounds are employed in cosmetic, toiletry and detergent compositions for example shampoos and bubble baths and liquid cleaning compositions. Normally these materials are supplied at 29% active ingredient but in the interests of economy in transport and packaging high concentrations of the order to 50 70% are also commercially available. At these high concentrations they have the texture of a thick paste. In the final formulation they are normally present in an amount less than 30% active in an aqueous solution.
Unfortunately on dilution of these concentrates with water rather than the viscosity diminishing as might be expected it starts to increase. For example the sodium salt of a sulphate of a di-ethoxylated derivative of the commonly used mixture of alcohols of C to C with a concentration of 60% active matter the balance being water, has a viscosity of 17,000 centipoises. On dilution to 45% active matter the viscosity increases to greater than 500,000 centipoises. On further dilution the vis cosity drops until at the concentration used in shampoos it again becomes liquid.
Although it is possible to employ such concentrates without the incorporation of a viscosity modifier such an increase in the viscosity during dilution naturally contributes substantial problems for the formulator. Such problems include lumps of gel becoming attached to the containers or stirrers employed. Moreover the lumps of gel formed during the dilution are themselves only soluble with difficulty on further dilution.
In order to avoid these problems viscosity modifiers have been incorporated in aqueous concentrates of sulphates of ethoxylated alcohol so as to maintain the viscosity of a solution at high concentrations at a level such that the solutions are reasonably free flowing and are easily diluted to any required concentration. In addition to modifying the viscosity of a solution at concentrations in the range of 25 75% active matter it is also necessary that any additive employed should not prevent or hinder the effect of thickeners conventionally used such as sodium chloride or ammonium salts, which it may be desired to incorporate in the finished formulation in order to give it an acceptable consis' tency.
At present this problem is being reduced by incorporating in the concentrated aqueous sulphate of ethoxylated alcohol, an alcohol of low molecular weight such as isopropanol or ethanol. However, the use of such alcohols is disadvantageous in that having high vapour pressures their odour is detectable in the finished formulation and may constitute a fire hazard.
We have now found that we can prepare aqueous solutions of salts of sulphated alkoxylated alcohols which have viscosity and dilution properties that enable them to be prepared as concentrates and diluted to normal formulation concentrations without detracting from the properties of such formulations. We can achieve this by incorporating in the aqueous concentrate of the surfactant a salt of a carboxylic acid of the following general formula:
A (COOH),
where A is hydrogen or a saturated or unsaturated aliphatic residue having from I to 8 carbon atoms, optionally containing hydroxy substituents or may be nothing if n is 2, and n is an integer from 1 to 4. Normally the residue A will have no more than 5 hydroxy substituents. Examples of such acids are glycollic acid (HO CH COOH), lactic acid (CH CH(OH) (COOH) CH COOH), Malic acid (H OOC CH CH(OH)COOH), glyceric acid (HO CH CH(OH)- COOH), tartaric acid (HOOC(CHOH) COOH) citric acid (HOOC CH C(OH)(COOH) CH COOH), gluconic acid (HO CH (CHOH) COOH), saccharic acid (HOOC(CHOH) COOH), formic acid (HCOOH) acetic acid (CH COOH), butyric acid (C H COOH), oxalic acid (HOOCCOOH), maleic acid (HOOC CH=CH COOH succinic acid (HOOC CH CH COOH) and itaconic acid (HOOC C(=CH CH COOH) Salts of some of these acids, such as those of citric acid have been employed previously in detergent formulations as buffers. However, the amounts of the acids or salts required to produce the viscosity modifying effect of the present invention are greater than those previously employed for such buffering action.
Accordingly the present invention provides an aqueous concentrate comprising at least 30% preferably 50% by weight of a sulphate of an alkoxylated alcohol and from 1 10% preferably 2 4% by weight of a salt of an aliphatic carboxylic acids hereinbefore defined.
Concentrates which are particularly suitable for modification according to the present invention are normally commercially available materials such as the sodium salt of the sulphate of an ethoxylated commercial lauryl alcohol having nominally l 4 oxyethylene groups. Commercial lauryl alcohol is normally a mixture of compounds having an average chain length of about 12 carbon atoms. Other compounds such as the equivalent propoxylated derivatives or mixed ethoylated propoxylated derivatives or the derivatives of other C C15 alcohols may also be employed. Such compounds are frequently in the form of their sodium salts although concentrates according to the invention may also be of use for salts such as potassium, magnesium, lithium, ammonium or alkylolamine salts. The normally available commercial materials sold as the salts of sulphated alkoxylated alcohols frequently contain electrolytes such as sodium chloride and sodium sulphate and free alkoxylated alcohol. These materials in themselves have an effect on the viscosity of the product, which may in some cases by synergistic with the added modifiers. However, it is not normally desirable to add excessive amounts of inorganic electrolyte (eg greater than 10% based on the sulphate material). Excessive amounts of alkoxylated alcohol may tend to separate out of solution and thereby detract from its properties.
Other components which are to be employed in the final formulation may of course also be present in the concentrate. For example there may also be present other surface active agents such as monoalkylolamides,
detergent sulphosuccinates, sulphosuccinamates, alkyl sulphate salts or nonionic surface active agents such as polyoxy alkylene ethers and esters.
The concentrate according to the invention may be diluted by the formulator at any convenient temperature, preferably in the range l5- 70C, to the final concentration required for the formulation. After such dilution other ingredients required for the final product may also be added as desired. From a second aspect therefore the present invention comprises making an aqueous solution of a sulphated ethoxylated alcohol as previously described of a concentration below 30% by weight by the addition of water to an aqueous concentrate having a content of at least 30% 30% weight of the sulphated ethoxylated alcohol and from 1 10% by weight of a salt of an aliphatic hydroxylic carboxylic acid.
Compositions according to the invention are illustrated by the following examples.
EXAMPLE I 7r ether sulphate 7r citrate Viscosity (cp) A consequence of the reduced viscosity of those samples containing citrate is that such samples dilute more readily than samples without added citrate.
EXAMPLE 2 Solutions were prepared as in example l but containing 2.5% disodium tartrate instead of 2% citrate. The viscosity data given below were obtained under the same conditions as in Example 1.
Z tartrate "/1 ether sulphate Viscosity (cp) EXAMPLE 3 The following compounds disodium oxalate, disodium succinate, disodium maleate, disodium itaconate have been found to reduce the viscosities of 40% solutions of commercial sodium lauryl ether sulphate from greater than 400,000 cp to below 25,000 cp. when added at 5% concentration.
EXAMPLE 4 Commercial sodium lauryl ether sulphate was prepared at a concentration of 50% by neutralising lauryl ether sulphuric acid with aqueous sodium hydroxide in a continuous mixer. The product was a gel having a viscosity of 200,000 cp.
The same procedure was followed in a second run in which sufficient trisodium citrate was dissolved in the aqueous base to give a neutralised product containing 2.5% trisodium citrate.
The product was a free flowing mobile liquid crystalline system having a viscosity of 10,000 cp when measured by the procedure given in Example 1.
We claim:
1. An aqueous concentrate comprising 30-75% by weight of a sulphate of an alkoxylated aliphatic C -C alcohol and form 2 to l0% by weight of a water soluble salt of a carboxylic acid of the general formula A (COOH), wherein n is an integer of l to 4, and A is selected from the group consisting of hydrogen, a saturated aliphatic residue having from 1 to 8 carbon atoms, an unsaturated aliphatic residue of 2 to 8 carbon atoms, and when n is 2 the said formula also may be (COOH) 2. A concentrate according to claim 1 wherein said salt is present in an amount of 2 to 4% by weight.
3. A concentrate according to claim 2 wherein the A group contains from i to 5 hydroxy groups.
4. A concentrate according to claim 3 wherein said salt is a salt of an acid selected from the group consisting of glycollic acid, lactic acid, malic acid, glyceric acid, tartaric acid, citric acid, gluconic acid or saccharic acid.
5. A concentrate according to claim 1 wherein said salt is a salt of an acid selected from the group consist ing of formic acid, acetic acid, butyric acid, oxalic acid, maleic acid, succinic acid or itaconic acid.
6. A concentrate according to claim 3 wherein the sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 mols of ethylene oxide per mole of commercial lauryl alcohol.
7. A concentrate according to claim 5 wherein the sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 mols of ethylene oxide per mole of commercial lauryl alcohol.
8. A concentrate according to claim 2 which also contains sodium chloride or sodium sulphate in an amount of up to 10 by weight of the alkyl ether sulphate.
9. A concentrate according to claim 3 which contains free alkoxylated alcohol.
10. A concentrate according to claim 5 which contains free alkoxylated alcohol.
11. A concentrate according to claim 1 which contains at least 50% by weight of sulphate of alkoxylated alcohol.
12. A concentrate according to claim 2 wherein said water-soluble salt of a carboxylic acid is a salt of tartaric acid", wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
13. A concentrate according to claim 2 wherein said water-soluble salt of a carboxylic acid is a salt of citric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and werein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
14. A concentrate according to claim 1 wherein said salt of said carboxylic acid is present in an amount of about 5% by weight.
15. A concentrate according to claim 14 wherein said water-soluble salt of a carboxylic acid is a salt of tartaric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from I to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
16. A concentrate according to claim 14 wherein said water-soluble salt of a carboxylic acid is a salt of citric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
17. A concentrate according to claim 1 which does not contain isopropyl alcohol or ethanol in amounts sufficient to render said concentrate free-flowing in the absence of said salt.
18. A free-flowing aqueous concentrate comprising an admixture of i. between 2 and 10% by weight of a water soluble salt of a carboxylic acid of general formula A(- COOH),., wherein n is an integer of l to 4, and A is selected from the group consisting of hydrogen, a saturated aliphatic residue of l to 8 carbon atoms, an unsaturated aliphatic residue of 2 to 8 carbon atoms, and when n is 2, the said formula also may be (COOH) and ii. an aqueous concentrate comprising between 30 and by weight of a sulphate of an alkoxylated aliphatic C -C alcohol which aqueous concentrate would be a thick paste or gel in the absence of admixture with component (i). 19. A concentrate according to claim 18 wherein said salt is present in an amount of from 2-4% by weight.
20. A concentrate according to claim 18 wherein said salt is present in an amount of about 5% by weight.
UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 3 ,893 ,955 Dated July 8 1975 Inventor(s) THOMAS HEWITT et al It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:
Column 2 line 47 C C18 should be --C C Column line 14 "30%" should appear only once.
, line 27, after "solutions" insert -of-.
Column 3 line '24 replace "2%" with --prepared-.
Column 3 Column line 1 5 after "75 insert Signed and Scaled this sixteenth Day Of March 1976 [SEAL] RUTH C. MASON C. MARSHALL DANN Arresting Ulfic' (ummissiumr ufPatenls and Trademarks RM PO-1 1 uscoMM-Dc 60376-P69 U75 GOVERNMENT PRINTING OFFICE 1 19.5 O-SGG'JSI,
Claims (20)
1. AN AQUEOUS CONCENTRATE COMPRISING 30-75% BY WEIGHT OF A SULPHATE OF AN ALKOXYLATED ALIPHATIC C8-C24 ALCOHOL AND FORM 2 TO 10% BY WEIGHT OF A WATER SOLUBLE SALT OF A CARBOXYLIC ACID OF THE GENERAL FORMULA
2. A concentrate according to claim 1 wherein said salt is present in an amount of 2 to 4% by weight.
3. A concentrate according to claim 2 wherein the A group contains from 1 to 5 hydroxy groups.
4. A concentrate according to claim 3 wherein said salt is a salt of an acid selected from the group consisting of glycollic acid, lactic acid, malic acid, glyceric acid, tartaric acid, citric acid, gluconic acid or saccharic acid.
5. A concentrate according to claim 1 wherein said salt is a salt of an acid selected from the group consisting of formic acid, acetic acid, butyric acid, oxalic acid, maleic acid, succinic acid or itaconic acid.
6. A concentrate according to claim 3 wherein the sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 mols of ethylene oxide per mole of commercial lauryl alcohol.
7. A concentrate according to claim 5 wherein the sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 mols of ethylene oxide per mole of commercial lauryl alcohol.
8. A concentrate according to claim 2 which also contains sodium chloride or sodium sulphate in an amount of up to 10 % by weight of the alkyl ether sulphate.
9. A concentrate according to claim 3 which contains free alkoxylated alcohol.
10. A concentrate according to claim 5 which contains free alkoxylated alcohol.
11. A concentrate according to claim 1 which contains at least 50% by weight of sulphate of alkoxylated alcohol.
12. A concentrate according to claim 2 wherein said water-soluble salt of a carboxylic acid is a salt of tartaric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
13. A concentrate according to claim 2 wherein said water-soluble salt of a carboxylic acid is a salt of citric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and werein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
14. A concentrate according to claim 1 wherein said salt of said carboxylic acid is present in an amount of about 5% by weight.
15. A concentrate according to claim 14 wherein said water-soluble salt of a carboxylic acid is a salt of tartaric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
16. A concentrate according to claim 14 wherein said water-soluble salt of a carboxylic acid is a salt of citric acid; wherein said sulphate of the alkoxylated alcohol is the sulphate of the reaction product of from 1 to 4 moles of ethylene oxide per mole of commercial lauryl alcohol; and wherein said concentrate contains at least 50% by weight of said sulphate of alkoxylated alcohol.
17. A concentrate according to claim 1 which does not contain isopropyl alcohol or ethanol in amounts sufficient to render said concentrate free-flowing in the absence of said salt.
18. A FREE-FLOWING AQUEOUS CONCENTRATE COMPRISING AN ADMIXTURE OF I. BETWEEN 2 AND 10% BY WEIGHTOF A WATER SOLUBLE SALTOF A CARBOXYLIC ACID OF GENERAL FORMULA A(COOH)N, WHEREIN N IS AN INTEGEROF 1 TO 4, AND A IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, A SATURATED ALIPHATIC RESIDUE OF 1 TO 8 CARBON ATOMS, AN UNSATURATED ALIPHATIC RESIDUE OF 2 TO 8 CARBON ATOMS, AND WHEN N IS 2, THESAID FORMULA ALSO MAY BE (COOH)2, AND II. AN AQUEOUS CONCENTRATE COMPRISING BETWEEN 30 AND 75BY WEIGHT OF A SULPHATE OF AN ALKOXYLATEDALIPHATIC C8-C24 ALCOHOL WHICH AQUEOUS CONCENTRATE WOULD BE A THICK PASTE OR GEL IN THE ABSENCE OF ADMIXTURE WITH COMPONENT (I)
19. A concentrate according to claim 18 wherein said salt is present in an amount of from 2-4% by weight.
20. A concentrate according to claim 18 wherein said salt is present in an amount of about 5% by weight.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4869971 | 1971-10-20 | ||
GB2505172*[A GB1399339A (en) | 1971-10-20 | 1972-05-26 | Detergent components |
Publications (1)
Publication Number | Publication Date |
---|---|
US3893955A true US3893955A (en) | 1975-07-08 |
Family
ID=26257460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US298989A Expired - Lifetime US3893955A (en) | 1971-10-20 | 1972-10-19 | Aqueous concentrate detergent component |
Country Status (9)
Country | Link |
---|---|
US (1) | US3893955A (en) |
JP (1) | JPS5550997B2 (en) |
BE (1) | BE790362A (en) |
CA (1) | CA1001553A (en) |
DE (1) | DE2251405A1 (en) |
FR (1) | FR2156825B1 (en) |
GB (1) | GB1399339A (en) |
IT (1) | IT996557B (en) |
NL (1) | NL7214082A (en) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957671A (en) * | 1974-11-13 | 1976-05-18 | The Procter & Gamble Company | Acid mix compositions containing benzoic acid |
US4003857A (en) * | 1973-12-17 | 1977-01-18 | Ethyl Corporation | Concentrated aqueous olefins sulfonates containing carboxylic acid salt anti-gelling agents |
US4092273A (en) * | 1974-10-03 | 1978-05-30 | Colgate-Palmolive Company | Liquid detergent of controlled viscosity |
EP0008060A1 (en) * | 1978-08-03 | 1980-02-20 | BASF Aktiengesellschaft | Application of polyvalent alcohols, (hydroxy)carboxylic acids and/or their esters with polyvalent alcohols as viscosity regulators |
US4259216A (en) * | 1979-10-11 | 1981-03-31 | The Lion Fat & Oil Co., Ltd. | Process for producing liquid detergent composition |
US4294718A (en) * | 1980-03-10 | 1981-10-13 | Colgate-Palmolive Company | Non-gelling inorganic salt crutcher slurries |
US4298493A (en) * | 1979-10-04 | 1981-11-03 | Colgate-Palmolive Company | Method for retarding gelation of bicarbonate-carbonate-silicate crutcher slurries |
US4305837A (en) * | 1980-10-30 | 1981-12-15 | The Procter & Gamble Company | Stabilized aqueous enzyme composition |
US4311606A (en) * | 1980-03-10 | 1982-01-19 | Colgate Palmolive Company | Method for manufacture of non-gelling, stable inorganic salt crutcher slurries |
US4311607A (en) * | 1980-03-10 | 1982-01-19 | Colgate Palmolive Company | Method for manufacture of non-gelling, stable zeolite - inorganic salt crutcher slurries |
US4318818A (en) * | 1979-11-09 | 1982-03-09 | The Procter & Gamble Company | Stabilized aqueous enzyme composition |
US4321156A (en) * | 1977-03-30 | 1982-03-23 | S. C. Johnson & Son, Inc. | Shampoo composition |
US4368147A (en) * | 1974-10-03 | 1983-01-11 | Colgate-Palmolive Company | Liquid detergent of controlled viscosity |
US4368134A (en) * | 1980-03-10 | 1983-01-11 | Colgate Palmolive Company | Method for retarding gelation of bicarbonate-carbonate-zeolite-silicate crutcher slurries |
US4375421A (en) * | 1981-10-19 | 1983-03-01 | Lever Brothers Company | Viscous compositions containing amido betaines and salts |
US4384978A (en) * | 1979-09-01 | 1983-05-24 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous concentrates of a tenside of the sulfate and sulfonate type and process for the improvement of the flow behavior of difficultly pourable aqueous tenside concentrates |
US4412943A (en) * | 1981-02-23 | 1983-11-01 | Kao Soap Co., Ltd. | Liquid detergent composition |
US4482470A (en) * | 1981-12-28 | 1984-11-13 | Henkel Kommanditgesellschaft Auf Aktien | Viscosity modifiers for concentrated surfactants |
US4532076A (en) * | 1982-02-11 | 1985-07-30 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous anionic surfactant concentrates containing viscosity reducing agents |
US4675128A (en) * | 1984-12-31 | 1987-06-23 | Henkel Kommanditgesellschaft Auf Aktien | Alkane sulfonates as viscosity regulators |
US4732703A (en) * | 1984-02-16 | 1988-03-22 | Lever Brothers Company | Liquid detergent compositions containing stabilizers to prevent phase separation |
US4744916A (en) * | 1985-07-18 | 1988-05-17 | Colgate-Palmolive Company | Non-gelling non-aqueous liquid detergent composition containing higher fatty dicarboxylic acid and method of use |
US5057246A (en) * | 1986-07-25 | 1991-10-15 | Cotelle S.A. | Viscous detergent composition capable of being diluted and process for producing it |
US5415798A (en) * | 1994-01-14 | 1995-05-16 | Betz Paperchem Inc. | Concentrated high flash point surfactant compositions |
US5474713A (en) * | 1994-03-23 | 1995-12-12 | Amway Corporation | High actives cleaning compositions and methods of use |
US5620952A (en) * | 1992-03-16 | 1997-04-15 | The Procter & Gamble Company | Fluid compositions containing polyhydroxy fatty acid amides |
US5922664A (en) * | 1995-01-30 | 1999-07-13 | Colgate-Palmolive Co. | Pourable detergent concentrates which maintain or increase in viscosity after dilution with water |
WO2012126630A1 (en) * | 2011-03-24 | 2012-09-27 | Sasol Germany Gmbh | Highly-concentrated flowable salts of alkyl polyalkoxy sulphates |
EP3004305B1 (en) | 2013-05-24 | 2021-01-13 | The Procter and Gamble Company | Concentrated surfactant composition |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50116383A (en) * | 1973-10-29 | 1975-09-11 | ||
GB1547361A (en) * | 1975-03-24 | 1979-06-13 | Unilever Ltd | Hair shampoos |
GB1569617A (en) * | 1976-03-08 | 1980-06-18 | Procter & Gamble | Liquid detergent composition |
DE2853136C3 (en) * | 1977-12-09 | 1994-04-14 | Albright & Wilson | Aqueous, surface-active agent |
JPS5647496A (en) * | 1979-09-26 | 1981-04-30 | Asahi Denka Kogyo Kk | Liquid detergent composition |
DE3542970A1 (en) * | 1985-12-05 | 1987-06-11 | Benckiser Gmbh Joh A | LIQUID SANITARY CLEANING AND DECALCIFYING AGENTS AND METHOD FOR THE PRODUCTION THEREOF |
DE4019172A1 (en) * | 1990-06-15 | 1991-12-19 | Henkel Kgaa | USE OF SALTS OF THE SULFONATION PRODUCTS OF UNSATURATED FATTY AS A VISCOSITATE REDUCER |
DE4032909A1 (en) * | 1990-10-17 | 1992-04-23 | Henkel Kgaa | METHOD FOR PRODUCING ALKYL SULFATE PASTES WITH IMPROVED FLOWABILITY |
ES2372643T3 (en) * | 2008-06-02 | 2012-01-25 | The Procter & Gamble Company | TENSIOACTIVE CONCENTRATE. |
WO2014072840A1 (en) | 2012-11-12 | 2014-05-15 | Galaxy Surfactants Ltd. | Flowable, high active, aqueous fatty alkyl sulfates |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941950A (en) * | 1954-09-30 | 1960-06-21 | Procter & Gamble | Concentrated liquid detergent |
US3038862A (en) * | 1957-05-21 | 1962-06-12 | Chemische Fabriek Andrelon Nv | Shampoo composition |
US3574125A (en) * | 1966-12-29 | 1971-04-06 | Chem Y | Detergent concentrate |
US3661787A (en) * | 1970-10-09 | 1972-05-09 | Pollutrol Group The | Saturated aliphatic dicarboxylic acid salts as detergent builders |
-
0
- BE BE790362D patent/BE790362A/en unknown
-
1972
- 1972-05-26 GB GB2505172*[A patent/GB1399339A/en not_active Expired
- 1972-10-18 NL NL7214082A patent/NL7214082A/xx not_active Application Discontinuation
- 1972-10-19 FR FR7237066A patent/FR2156825B1/fr not_active Expired
- 1972-10-19 DE DE2251405A patent/DE2251405A1/en active Pending
- 1972-10-19 IT IT70282/72A patent/IT996557B/en active
- 1972-10-19 US US298989A patent/US3893955A/en not_active Expired - Lifetime
- 1972-10-20 CA CA154,628A patent/CA1001553A/en not_active Expired
- 1972-10-20 JP JP10517872A patent/JPS5550997B2/ja not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941950A (en) * | 1954-09-30 | 1960-06-21 | Procter & Gamble | Concentrated liquid detergent |
US3038862A (en) * | 1957-05-21 | 1962-06-12 | Chemische Fabriek Andrelon Nv | Shampoo composition |
US3574125A (en) * | 1966-12-29 | 1971-04-06 | Chem Y | Detergent concentrate |
US3661787A (en) * | 1970-10-09 | 1972-05-09 | Pollutrol Group The | Saturated aliphatic dicarboxylic acid salts as detergent builders |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4003857A (en) * | 1973-12-17 | 1977-01-18 | Ethyl Corporation | Concentrated aqueous olefins sulfonates containing carboxylic acid salt anti-gelling agents |
US4092273A (en) * | 1974-10-03 | 1978-05-30 | Colgate-Palmolive Company | Liquid detergent of controlled viscosity |
US4368147A (en) * | 1974-10-03 | 1983-01-11 | Colgate-Palmolive Company | Liquid detergent of controlled viscosity |
US3957671A (en) * | 1974-11-13 | 1976-05-18 | The Procter & Gamble Company | Acid mix compositions containing benzoic acid |
US4321156A (en) * | 1977-03-30 | 1982-03-23 | S. C. Johnson & Son, Inc. | Shampoo composition |
US4239641A (en) * | 1978-08-03 | 1980-12-16 | Basf Aktiengesellschaft | Use of polyhydric alcohols, carboxylic acids, hydroxy-carboxylic acids and/or their esters with polyhydric alcohols as viscosity regulators |
EP0008060A1 (en) * | 1978-08-03 | 1980-02-20 | BASF Aktiengesellschaft | Application of polyvalent alcohols, (hydroxy)carboxylic acids and/or their esters with polyvalent alcohols as viscosity regulators |
US4384978A (en) * | 1979-09-01 | 1983-05-24 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous concentrates of a tenside of the sulfate and sulfonate type and process for the improvement of the flow behavior of difficultly pourable aqueous tenside concentrates |
US4476037A (en) * | 1979-09-01 | 1984-10-09 | Henkel Kommanditgesellschaft Auf Aktien | Free flow, readily dilutable aqueous concentrates of a tenside of the sulfate and sulfonate type |
US4298493A (en) * | 1979-10-04 | 1981-11-03 | Colgate-Palmolive Company | Method for retarding gelation of bicarbonate-carbonate-silicate crutcher slurries |
US4259216A (en) * | 1979-10-11 | 1981-03-31 | The Lion Fat & Oil Co., Ltd. | Process for producing liquid detergent composition |
US4318818A (en) * | 1979-11-09 | 1982-03-09 | The Procter & Gamble Company | Stabilized aqueous enzyme composition |
US4294718A (en) * | 1980-03-10 | 1981-10-13 | Colgate-Palmolive Company | Non-gelling inorganic salt crutcher slurries |
US4311606A (en) * | 1980-03-10 | 1982-01-19 | Colgate Palmolive Company | Method for manufacture of non-gelling, stable inorganic salt crutcher slurries |
US4311607A (en) * | 1980-03-10 | 1982-01-19 | Colgate Palmolive Company | Method for manufacture of non-gelling, stable zeolite - inorganic salt crutcher slurries |
US4368134A (en) * | 1980-03-10 | 1983-01-11 | Colgate Palmolive Company | Method for retarding gelation of bicarbonate-carbonate-zeolite-silicate crutcher slurries |
US4305837A (en) * | 1980-10-30 | 1981-12-15 | The Procter & Gamble Company | Stabilized aqueous enzyme composition |
US4412943A (en) * | 1981-02-23 | 1983-11-01 | Kao Soap Co., Ltd. | Liquid detergent composition |
US4375421A (en) * | 1981-10-19 | 1983-03-01 | Lever Brothers Company | Viscous compositions containing amido betaines and salts |
US4482470A (en) * | 1981-12-28 | 1984-11-13 | Henkel Kommanditgesellschaft Auf Aktien | Viscosity modifiers for concentrated surfactants |
US4532076A (en) * | 1982-02-11 | 1985-07-30 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous anionic surfactant concentrates containing viscosity reducing agents |
US4732703A (en) * | 1984-02-16 | 1988-03-22 | Lever Brothers Company | Liquid detergent compositions containing stabilizers to prevent phase separation |
US4675128A (en) * | 1984-12-31 | 1987-06-23 | Henkel Kommanditgesellschaft Auf Aktien | Alkane sulfonates as viscosity regulators |
US4744916A (en) * | 1985-07-18 | 1988-05-17 | Colgate-Palmolive Company | Non-gelling non-aqueous liquid detergent composition containing higher fatty dicarboxylic acid and method of use |
AU591146B2 (en) * | 1985-07-18 | 1989-11-30 | Colgate-Palmolive Company, The | Non-gelling liquid detergent composition containing higher fatty dicarboxylic acid and method of use |
US5057246A (en) * | 1986-07-25 | 1991-10-15 | Cotelle S.A. | Viscous detergent composition capable of being diluted and process for producing it |
US5620952A (en) * | 1992-03-16 | 1997-04-15 | The Procter & Gamble Company | Fluid compositions containing polyhydroxy fatty acid amides |
US5415798A (en) * | 1994-01-14 | 1995-05-16 | Betz Paperchem Inc. | Concentrated high flash point surfactant compositions |
EP0663237A1 (en) * | 1994-01-14 | 1995-07-19 | Betz Europe, Inc. | Concentrated high flash point surfactant compositions |
US5474713A (en) * | 1994-03-23 | 1995-12-12 | Amway Corporation | High actives cleaning compositions and methods of use |
US5922664A (en) * | 1995-01-30 | 1999-07-13 | Colgate-Palmolive Co. | Pourable detergent concentrates which maintain or increase in viscosity after dilution with water |
WO2012126630A1 (en) * | 2011-03-24 | 2012-09-27 | Sasol Germany Gmbh | Highly-concentrated flowable salts of alkyl polyalkoxy sulphates |
EP3004305B1 (en) | 2013-05-24 | 2021-01-13 | The Procter and Gamble Company | Concentrated surfactant composition |
Also Published As
Publication number | Publication date |
---|---|
IT996557B (en) | 1975-12-10 |
BE790362A (en) | 1973-02-15 |
GB1399339A (en) | 1975-07-02 |
FR2156825A1 (en) | 1973-06-01 |
NL7214082A (en) | 1973-04-25 |
AU4791572A (en) | 1974-04-26 |
DE2251405A1 (en) | 1973-04-26 |
FR2156825B1 (en) | 1977-04-01 |
JPS4849808A (en) | 1973-07-13 |
CA1001553A (en) | 1976-12-14 |
JPS5550997B2 (en) | 1980-12-22 |
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