CA2076493A1 - Modified gamma-quinacridone pigment - Google Patents

Modified gamma-quinacridone pigment

Info

Publication number
CA2076493A1
CA2076493A1 CA002076493A CA2076493A CA2076493A1 CA 2076493 A1 CA2076493 A1 CA 2076493A1 CA 002076493 A CA002076493 A CA 002076493A CA 2076493 A CA2076493 A CA 2076493A CA 2076493 A1 CA2076493 A1 CA 2076493A1
Authority
CA
Canada
Prior art keywords
quinacridone pigment
modified gamma
new
dihydroquinacridone
polytype
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
CA002076493A
Other languages
French (fr)
Other versions
CA2076493C (en
Inventor
Fridolin Babler
Edward E. Jaffe
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.)
BASF Schweiz AG
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 CA2076493A1 publication Critical patent/CA2076493A1/en
Application granted granted Critical
Publication of CA2076493C publication Critical patent/CA2076493C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
    • C09B67/0034—Mixtures of two or more pigments or dyes of the same type
    • C09B67/0036—Mixtures of quinacridones
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B48/00—Quinacridones
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0025—Crystal modifications; Special X-ray patterns
    • C09B67/0027—Crystal modifications; Special X-ray patterns of quinacridones

Abstract

A new gamma quinacridone polytype having a yellowish-red color and a distinct X-ray diffraction pattern, said new form being prepared directly in high yield in pigmentary form by oxidation of 6,13-dihydroquinacridone in a basic dimethylsulfoxide medium.
CA002076493A 1991-08-22 1992-08-20 Modified gamma-quinacridone pigment Expired - Fee Related CA2076493C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US748,473 1991-08-22
US07/748,473 US5223624A (en) 1991-08-22 1991-08-22 Modified gamma-quinacridone pigment

Publications (2)

Publication Number Publication Date
CA2076493A1 true CA2076493A1 (en) 1993-02-23
CA2076493C CA2076493C (en) 2003-02-04

Family

ID=25009598

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002076493A Expired - Fee Related CA2076493C (en) 1991-08-22 1992-08-20 Modified gamma-quinacridone pigment

Country Status (7)

Country Link
US (1) US5223624A (en)
EP (1) EP0530143B1 (en)
JP (1) JP3289960B2 (en)
KR (1) KR930004407A (en)
CA (1) CA2076493C (en)
DE (1) DE69217295T2 (en)
MX (1) MX9204811A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5286863A (en) * 1991-08-22 1994-02-15 Ciba-Geigy Corporation Oxidation process for preparing quinacridone pigments
DE59506764D1 (en) * 1994-06-29 1999-10-14 Ciba Sc Holding Ag Two new crystal modifications of a diketopyrrolopyrrole pigment
DE59507427D1 (en) * 1994-09-28 2000-01-20 Ciba Sc Holding Ag Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles
EP0829523B1 (en) * 1996-08-16 2001-09-12 Ciba SC Holding AG Oxidation process for preparing quinacridone pigments
WO1999004758A1 (en) * 1997-07-25 1999-02-04 Elan Corporation Plc A process for the preparation of a granulate suitable to the preparation of rapidly disintegrable mouth-soluble tablets
DE69801302T2 (en) * 1997-08-01 2002-03-14 Ciba Sc Holding Ag Process for the preparation of solid solutions of quinacridones
US6323342B1 (en) * 1999-08-05 2001-11-27 Ciba Specialty Chemicals Corp. Gamma quinacridone pigment
US6313300B1 (en) 1999-09-07 2001-11-06 Ciba Specialty Chemicals Corp. Oxidation process for preparing quinacridone pigments
US6402829B1 (en) * 2000-12-20 2002-06-11 Sun Chemical Corporation Process for preparing a substantially pure gamma phase quinacridone pigment of large particle size
ATE521672T1 (en) * 2002-11-01 2011-09-15 Seiko Epson Corp INK COMBINATION, RECORDING METHOD, RECORDING DEVICE, RECORDING SYSTEM AND RECORDED OBJECT
US6864371B2 (en) * 2002-11-27 2005-03-08 Ciba Specialty Chemicals Corporation Preparation of beta quinacridone pigments
US10042277B2 (en) * 2014-06-09 2018-08-07 Hp Indigo B.V. Electrostatic ink compositions

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844484A (en) * 1955-07-22 1958-07-22 Du Pont Organic pigments
US2844485A (en) * 1955-07-22 1958-07-22 Du Pont Organic pigments
US2844581A (en) * 1957-11-22 1958-07-22 Du Pont Organic pigments
US2969366A (en) * 1958-02-11 1961-01-24 Du Pont Production of quinacridones
US3074950A (en) * 1959-08-22 1963-01-22 Basf Ag Process for producing a modification of gamma 7,14-dioxo-5,7,12,14-tetrahydroquinolino-(2,3-b) acridine
US3272821A (en) * 1962-04-26 1966-09-13 Eastman Kodak Co Delta form of quinacridone pigment
FR1346126A (en) * 1963-01-31 1963-12-13 Cassella Farbwerke Mainkur Ag Process for the preparation of quinacridones
CH440504A (en) * 1963-06-12 1967-07-31 Acna Process for the production of linear quinacridone in the form of a red pigment
JPS54130621A (en) * 1978-04-01 1979-10-11 Toyo Soda Mfg Co Ltd Preparation of beta-quinacridone pigment
US4247696A (en) * 1978-04-01 1981-01-27 Toyo Soda Manufacturing Co., Ltd. Process for preparing gamma phase quinacridone
JPS54135821A (en) * 1978-04-14 1979-10-22 Toyo Soda Mfg Co Ltd Preparation of quinacridone pigment
JPS6035055A (en) * 1983-08-05 1985-02-22 Toyo Soda Mfg Co Ltd Production of quinacridone solid solution pigment
US4760144A (en) * 1986-11-13 1988-07-26 Ciba-Geigy Corporation Process for preparation of yellow shade modification of gamma quinacridone
US4857646A (en) * 1987-08-24 1989-08-15 Ciba-Geigy Corporation Modified beta-quinacridone pigment
DE3834748A1 (en) * 1988-10-12 1990-04-19 Bayer Ag METHOD FOR PRODUCING AN OPTIONAL SUBSTITUTED CHINACRIDONE

Also Published As

Publication number Publication date
DE69217295T2 (en) 1997-10-09
JPH05213948A (en) 1993-08-24
JP3289960B2 (en) 2002-06-10
DE69217295D1 (en) 1997-03-20
EP0530143A1 (en) 1993-03-03
CA2076493C (en) 2003-02-04
US5223624A (en) 1993-06-29
KR930004407A (en) 1993-03-22
MX9204811A (en) 1993-02-01
EP0530143B1 (en) 1997-02-05

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Legal Events

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EEER Examination request
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