AU595601B2 - Process for making azo pigments - Google Patents

Process for making azo pigments Download PDF

Info

Publication number
AU595601B2
AU595601B2 AU72406/87A AU7240687A AU595601B2 AU 595601 B2 AU595601 B2 AU 595601B2 AU 72406/87 A AU72406/87 A AU 72406/87A AU 7240687 A AU7240687 A AU 7240687A AU 595601 B2 AU595601 B2 AU 595601B2
Authority
AU
Australia
Prior art keywords
coupling
azo
component
coupling component
reaction
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.)
Ceased
Application number
AU72406/87A
Other languages
English (en)
Other versions
AU7240687A (en
Inventor
Hartmut Behringer
Heinrich Rehberg
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of AU7240687A publication Critical patent/AU7240687A/en
Application granted granted Critical
Publication of AU595601B2 publication Critical patent/AU595601B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C09B67/006—Preparation of organic pigments
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/006—Special methods of performing the coupling reaction characterised by process features

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerization Catalysts (AREA)
AU72406/87A 1986-05-03 1987-05-01 Process for making azo pigments Ceased AU595601B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3615099 1986-05-03
DE3615099 1986-05-03

Publications (2)

Publication Number Publication Date
AU7240687A AU7240687A (en) 1987-11-05
AU595601B2 true AU595601B2 (en) 1990-04-05

Family

ID=6300157

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72406/87A Ceased AU595601B2 (en) 1986-05-03 1987-05-01 Process for making azo pigments

Country Status (9)

Country Link
US (1) US4920206A (OSRAM)
EP (1) EP0244686B1 (OSRAM)
JP (1) JP2518843B2 (OSRAM)
KR (1) KR950009539B1 (OSRAM)
AU (1) AU595601B2 (OSRAM)
DE (1) DE3783646D1 (OSRAM)
DK (1) DK167224B1 (OSRAM)
ES (1) ES2044859T3 (OSRAM)
IN (1) IN169307B (OSRAM)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN169308B (OSRAM) * 1986-05-03 1991-09-28 Hoechst Ag
US5191070A (en) * 1989-08-10 1993-03-02 Ciba-Geigy Corporation Continuous process for the preparation of bisazo pigment mixtures
GB2235694B (en) * 1989-08-10 1992-06-24 Ciba Geigy Ag Process for the preparation of bisazo pigment mixtures
WO1997031067A1 (fr) * 1996-02-26 1997-08-28 Toyo Ink Manufacturing Co., Ltd. Procede de preparation de pigments disazoiques et pigments disazoiques produits par ce procede
WO2001059013A1 (de) * 2000-02-09 2001-08-16 Clariant International Ltd Verfahren zur herstellung von azofarbmitteln in mikroreaktoren
US7135266B2 (en) 2000-02-09 2006-11-14 Clariant Finance (Bvi) Limited Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias
EP1642885B1 (en) 2000-08-29 2009-11-11 Biocon Limited Use of a pharmaceutical composition containing a para-aminophenyl acetic acid derivative for treating inflammatory conditions of the gastrointestinal tract
DE10049200A1 (de) * 2000-10-05 2002-04-11 Clariant Gmbh Verfahren zur Herstellung von Azofarbmitteln
US8048924B2 (en) * 2001-08-29 2011-11-01 Biocon Limited Methods and compositions employing 4-aminophenylacetic acid compounds
HUE028158T2 (en) 2004-07-07 2016-12-28 Biocon Ltd Synthesis of bound immunoregulatory compounds
GB0416256D0 (en) * 2004-07-20 2004-08-25 Avecia Ltd Manufacturing process
WO2006059741A1 (en) * 2004-12-03 2006-06-08 Canon Kabushiki Kaisha Preparation process of azo pigment dispersion
CN101054473B (zh) * 2006-04-10 2010-10-20 浙江龙盛集团股份有限公司 一种耦合生产设备及生产工艺
CN116283650B (zh) * 2022-12-29 2025-08-01 利安隆（中卫）新材料有限公司 一种苯并三氮唑类光稳定剂中间体的连续制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7240787A (en) * 1986-05-03 1987-11-05 Hoechst Aktiengesellschaft Process for making azo pigments

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2174954A (en) * 1937-03-22 1939-10-03 Harmon Color Works Inc Azo pigment and method of preparing
GB599608A (en) * 1942-12-22 1948-03-17 Gen Printing Ink Corp Improvements in or relating to the production of monazo and disazo pigments
DE1085278B (de) * 1958-03-08 1960-07-14 Hoechst Ag Verfahren zur kontinuierlichen Herstellung von Azopigmenten
GB1143727A (OSRAM) * 1966-09-09 1900-01-01
DE2844634A1 (de) * 1978-10-13 1980-04-24 Hoechst Ag Verfahren zur kontinuierlichen herstellung von azopigmenten
US4395264A (en) * 1981-11-06 1983-07-26 Basf Wyandotte Corporation Azo coupling process
GB2129434B (en) * 1982-10-08 1986-04-16 Ciba Geigy Ag Production of azo compounds

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7240787A (en) * 1986-05-03 1987-11-05 Hoechst Aktiengesellschaft Process for making azo pigments

Also Published As

Publication number Publication date
DK223587A (da) 1987-11-04
JP2518843B2 (ja) 1996-07-31
EP0244686A2 (de) 1987-11-11
JPS62263260A (ja) 1987-11-16
KR950009539B1 (ko) 1995-08-24
ES2044859T3 (es) 1994-01-16
KR880009100A (ko) 1988-09-14
DK223587D0 (da) 1987-05-01
AU7240687A (en) 1987-11-05
IN169307B (OSRAM) 1991-09-28
US4920206A (en) 1990-04-24
DE3783646D1 (de) 1993-03-04
EP0244686A3 (en) 1990-11-14
EP0244686B1 (de) 1993-01-20
DK167224B1 (da) 1993-09-20

Similar Documents

Publication Publication Date Title
US4920206A (en) Process for making azo pigments
US4268437A (en) Continuous diazotization of amines
US4952680A (en) Preparation of stable solutions of azo dyes of m-phenylenediamine by reaction with formic acid
CA1204737A (en) Production of azo compounds
AU594760B2 (en) Process for making azo pigments
AU613121B2 (en) Monoazo pigments, preparation and use thereof
US4920205A (en) Process for making azo pigments
DE3217224C2 (de) Verfahren zur Herstellung von Arylazoaminonaphtholsulfonsäuren und deren Verwendung
US4118384A (en) Process for preparation of azo dyestuffs by coupling in presence of aromatic sulphonic acid-formaldehyde reaction product
CA1202960A (en) Production of azo compounds
US4468349A (en) Process for the preparation of solutions of cationic azo dyestuffs
JPH07196932A (ja) アゾ染料の製造方法
JP3232931B2 (ja) 低アミン含有率のジスアゾ顔料の製造方法およびそれにより得られるジスアゾ顔料
JP2943996B2 (ja) ジスアゾ顔料の製造方法
CH356438A (de) Stabilisierte Farbstoffpräparate
WO1997031067A1 (fr) Procede de preparation de pigments disazoiques et pigments disazoiques produits par ce procede
EP0074117A2 (en) Process for producing azo pigments
JPS587456A (ja) 有機顔料の湿式粒状化方法
US4397997A (en) Ultraturbulent coupling of polymeric diazonium salts
JP3042328B2 (ja) 低アミン含有率のジスアゾ顔料の製造方法およびそれにより得られるジスアゾ顔料
GB1566219A (en) Process for the neutralisation of basic reaction compositions
US5191070A (en) Continuous process for the preparation of bisazo pigment mixtures
JPWO1997031067A1 (ja) ジスアゾ顔料の製造方法、およびそれにより得られるジスアゾ顔料
SU245940A1 (ru) Способ получения пигмента желтого светопрочного зтп в высокодисперсной форме
GB2235694A (en) Continuous process for the preparation of disazo pigment mixtures