GB1438118A - Preparation of aqueous dispersions of azo dyestuffs - Google Patents

Preparation of aqueous dispersions of azo dyestuffs

Info

Publication number
GB1438118A
GB1438118A GB5369372A GB5369372A GB1438118A GB 1438118 A GB1438118 A GB 1438118A GB 5369372 A GB5369372 A GB 5369372A GB 5369372 A GB5369372 A GB 5369372A GB 1438118 A GB1438118 A GB 1438118A
Authority
GB
United Kingdom
Prior art keywords
dyestuffs
sodium salt
coupling
dispersion
condensate
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.)
Expired
Application number
GB5369372A
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB5369372A priority Critical patent/GB1438118A/en
Priority to NL7315937A priority patent/NL7315937A/xx
Priority to BE138014A priority patent/BE807623A/xx
Priority to CH1637073A priority patent/CH585251A5/xx
Priority to DE19732358080 priority patent/DE2358080A1/de
Priority to FR7341470A priority patent/FR2207169B3/fr
Publication of GB1438118A publication Critical patent/GB1438118A/en
Expired 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
    • C09B41/00—Special methods of performing the coupling reaction
    • 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
    • C09B67/0096—Purification; Precipitation; Filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB5369372A 1972-11-21 1972-11-21 Preparation of aqueous dispersions of azo dyestuffs Expired GB1438118A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB5369372A GB1438118A (en) 1972-11-21 1972-11-21 Preparation of aqueous dispersions of azo dyestuffs
NL7315937A NL7315937A (de) 1972-11-21 1973-11-20
BE138014A BE807623A (fr) 1972-11-21 1973-11-21 Colorants azoiques
CH1637073A CH585251A5 (de) 1972-11-21 1973-11-21
DE19732358080 DE2358080A1 (de) 1972-11-21 1973-11-21 Azofarbstoff-stoffzusammensetzungen
FR7341470A FR2207169B3 (de) 1972-11-21 1973-11-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5369372A GB1438118A (en) 1972-11-21 1972-11-21 Preparation of aqueous dispersions of azo dyestuffs

Publications (1)

Publication Number Publication Date
GB1438118A true GB1438118A (en) 1976-06-03

Family

ID=10468670

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5369372A Expired GB1438118A (en) 1972-11-21 1972-11-21 Preparation of aqueous dispersions of azo dyestuffs

Country Status (6)

Country Link
BE (1) BE807623A (de)
CH (1) CH585251A5 (de)
DE (1) DE2358080A1 (de)
FR (1) FR2207169B3 (de)
GB (1) GB1438118A (de)
NL (1) NL7315937A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329145A (en) 1979-08-29 1982-05-11 Bayer Aktiengesellschaft Process for producing liquid dyestuff preparations
US4436523A (en) 1981-09-29 1984-03-13 Ciba-Geigy Corporation Process for the preparation of storage stable colorant compositions by ultrafiltration and wet milling
US4980459A (en) * 1983-09-21 1990-12-25 Ciba-Geigy Corporation Process for the manufacture of formulations of water-insoluble azo dyes
WO2006087328A3 (en) * 2005-02-18 2006-11-23 Clariant Int Ltd Concentrated dye solution

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643214C2 (de) * 1976-09-25 1983-09-29 Bayer Ag, 5090 Leverkusen Herstellung wäßriger Azofarbstoff-Dispersionen
DE2607122C2 (de) * 1976-02-21 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azofarbstoffen
DE2847532C3 (de) * 1978-11-02 1981-08-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azofarbstoffen
US4452608A (en) * 1982-03-05 1984-06-05 Ciba-Geigy Corporation Process for the preparation of metal complex dye formulations using membrane separation
US6432192B1 (en) 2000-02-23 2002-08-13 Flint Ink Corporation Process for manufacturing pigments
CN105219121B (zh) * 2015-08-28 2017-04-12 浙江奇彩环境科技股份有限公司 一种直接耐晒黑g的合成工艺

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329145A (en) 1979-08-29 1982-05-11 Bayer Aktiengesellschaft Process for producing liquid dyestuff preparations
US4436523A (en) 1981-09-29 1984-03-13 Ciba-Geigy Corporation Process for the preparation of storage stable colorant compositions by ultrafiltration and wet milling
US4980459A (en) * 1983-09-21 1990-12-25 Ciba-Geigy Corporation Process for the manufacture of formulations of water-insoluble azo dyes
WO2006087328A3 (en) * 2005-02-18 2006-11-23 Clariant Int Ltd Concentrated dye solution

Also Published As

Publication number Publication date
BE807623A (fr) 1974-05-21
FR2207169A1 (de) 1974-06-14
CH585251A5 (de) 1977-02-28
FR2207169B3 (de) 1976-10-01
NL7315937A (de) 1974-05-24
DE2358080A1 (de) 1974-05-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee