CA2447841A1 - Silica abrasive containing oral care compositions - Google Patents

Silica abrasive containing oral care compositions Download PDF

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Publication number
CA2447841A1
CA2447841A1 CA002447841A CA2447841A CA2447841A1 CA 2447841 A1 CA2447841 A1 CA 2447841A1 CA 002447841 A CA002447841 A CA 002447841A CA 2447841 A CA2447841 A CA 2447841A CA 2447841 A1 CA2447841 A1 CA 2447841A1
Authority
CA
Canada
Prior art keywords
abrasive
value
silica abrasive
bea
dentifrice composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002447841A
Other languages
French (fr)
Other versions
CA2447841C (en
Inventor
Donald James White Jr.
Kathleen Marie Kozak
Vincent Bercovici
Robert Francis Date
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2447841A1 publication Critical patent/CA2447841A1/en
Application granted granted Critical
Publication of CA2447841C publication Critical patent/CA2447841C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis

Abstract

Oral care compositions comprising unique silica abrasives and methods for polishing and cleaning dental enamel using these oral care compositions are disclosed.

Claims (8)

1. An abrasive dentifrice composition comprising:
(a) an orally-acceptable carrier and (b) a silica abrasive comprising a precipitated silica having a mean value (MV) particle size distribution ranging from about 8 to about 14 microns and a 10%
Brass Einlehner Abrasion (10% BEA) value of greater than about 7, wherein the precipitated silica abrasive, when formulated into a dentifrice, provides effective pellicle cleaning as measured by a Pellicle Cleaning Ratio (PCR) of about 70 to 140, a level of abrasivity of below a Radioactive Dentin Abrasion value (RDA) of about 250, and improvements in tooth surface polishing beyond that achieved with conventional precipitated silicas.
2. An abrasive dentifrice composition according to Claim 1, wherein the 10%
Brass Einlehner Abrasion (10% BEA) value of the silica abrasive ranges from about 10 to about 19.
3. An abrasive dentifrice composition according to Claim 1 comprising from about 6 to about 70% by weight of the composition of said precipitated silica abrasive.
4. An abrasive dentifrice composition comprising:
(a) an orally-acceptable carrier and (b) a mixed silica abrasive system comprising (i) a first precipitated silica having a mean value (MV) particle size distribution ranging from about 8 to about 14 microns and a 10%
Brass Einlehner Abrasion (10% BEA) value of greater than about 7, and (ii) a second precipitated silica having a 10% Brass Einlehner Abrasion (10% BEA) value of less than about 7, wherein the mixed precipitated silica abrasive, when formulated into a dentifrice, provides effective pellicle cleaning as measured by a Pellicle Cleaning Ratio (PCR) of about 70 to 140, a level of abrasivity of below a Radioactive Dentin Abrasion value (RDA) of about 250, and improvements in tooth surface polishing beyond that achieved with conventional precipitated silicas.
5. An abrasive dentifrice composition according to Claim 4, wherein the first silica abrasive has a 10% Brass Einlehner Abrasion (10% BEA) value ranging from about to about 19 and the second silica abrasive has a 10% Brass Einlehner Abrasion (10%
BEA) value ranging from about 3 to about 6.
6. An abrasive dentifrice composition according to Claim 4 comprising from about 6 to about 70% by weight of the composition of said mixed precipitated silica abrasive.
7. An abrasive dentifrice composition according to Claim 4, wherein the mixed silica abrasive system comprises 50% of the first silica abrasive and 50% of the second silica abrasive.
8. A method of cleaning and polishing teeth, reducing plaque, gingivitis and calculus using an abrasive dentifrice composition according to Claim 1 or Claim 4.
CA002447841A 2001-06-25 2002-06-24 Silica abrasive containing oral care compositions Expired - Lifetime CA2447841C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30076601P 2001-06-25 2001-06-25
US60/300,766 2001-06-25
PCT/US2002/020002 WO2003000217A2 (en) 2001-06-25 2002-06-24 Oral care compositions

Publications (2)

Publication Number Publication Date
CA2447841A1 true CA2447841A1 (en) 2003-01-03
CA2447841C CA2447841C (en) 2009-12-15

Family

ID=23160491

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002447841A Expired - Lifetime CA2447841C (en) 2001-06-25 2002-06-24 Silica abrasive containing oral care compositions

Country Status (14)

Country Link
US (1) US6740311B2 (en)
EP (1) EP1399121B1 (en)
CN (1) CN100408016C (en)
AT (1) ATE413209T1 (en)
AU (1) AU2002310504A1 (en)
CA (1) CA2447841C (en)
CZ (1) CZ20033403A3 (en)
DE (1) DE60229745D1 (en)
ES (1) ES2316572T3 (en)
HK (1) HK1069981A1 (en)
MX (1) MXPA03011946A (en)
PL (1) PL205718B1 (en)
RU (1) RU2269337C2 (en)
WO (1) WO2003000217A2 (en)

Cited By (2)

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US11806411B2 (en) 2019-05-06 2023-11-07 Colgate-Palmolive Company Oral care compositions
US11890362B2 (en) 2019-05-06 2024-02-06 Colgate-Palmolive Company Oral care composition

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US11890362B2 (en) 2019-05-06 2024-02-06 Colgate-Palmolive Company Oral care composition

Also Published As

Publication number Publication date
RU2269337C2 (en) 2006-02-10
EP1399121B1 (en) 2008-11-05
PL366547A1 (en) 2005-02-07
HK1069981A1 (en) 2005-06-10
WO2003000217A3 (en) 2003-04-03
US6740311B2 (en) 2004-05-25
WO2003000217A2 (en) 2003-01-03
RU2004101966A (en) 2005-03-20
EP1399121A2 (en) 2004-03-24
CN100408016C (en) 2008-08-06
MXPA03011946A (en) 2004-03-26
US20030039617A1 (en) 2003-02-27
AU2002310504A1 (en) 2003-01-08
CN1535135A (en) 2004-10-06
PL205718B1 (en) 2010-05-31
ATE413209T1 (en) 2008-11-15
DE60229745D1 (en) 2008-12-18
ES2316572T3 (en) 2009-04-16
CA2447841C (en) 2009-12-15
CZ20033403A3 (en) 2004-10-13

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