GB2034738B - Process for the preparation of azo dyestuffs - Google Patents

Process for the preparation of azo dyestuffs

Info

Publication number
GB2034738B
GB2034738B GB7937355A GB7937355A GB2034738B GB 2034738 B GB2034738 B GB 2034738B GB 7937355 A GB7937355 A GB 7937355A GB 7937355 A GB7937355 A GB 7937355A GB 2034738 B GB2034738 B GB 2034738B
Authority
GB
United Kingdom
Prior art keywords
preparation
azo dyestuffs
dyestuffs
azo
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
GB7937355A
Other versions
GB2034738A (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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of GB2034738A publication Critical patent/GB2034738A/en
Application granted granted Critical
Publication of GB2034738B publication Critical patent/GB2034738B/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
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
GB7937355A 1978-11-02 1979-10-29 Process for the preparation of azo dyestuffs Expired GB2034738B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782847532 DE2847532C3 (en) 1978-11-02 1978-11-02 Process for the production of azo dyes

Publications (2)

Publication Number Publication Date
GB2034738A GB2034738A (en) 1980-06-11
GB2034738B true GB2034738B (en) 1982-12-01

Family

ID=6053689

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7937355A Expired GB2034738B (en) 1978-11-02 1979-10-29 Process for the preparation of azo dyestuffs

Country Status (7)

Country Link
JP (1) JPS5562965A (en)
BR (1) BR7907121A (en)
CH (1) CH643867A5 (en)
DE (1) DE2847532C3 (en)
FR (1) FR2440970B1 (en)
GB (1) GB2034738B (en)
IN (1) IN153228B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3163218D1 (en) * 1980-09-19 1984-05-24 Ciba Geigy Ag Azo coupling process
US5459197A (en) * 1992-02-07 1995-10-17 Bayer Aktiengesellschaft Coating compositions, a process for their production and their use for coating water-resistant substrates
JP2543802Y2 (en) * 1992-04-01 1997-08-13 三協アルミニウム工業株式会社 Crap
JP5935289B2 (en) * 2011-10-26 2016-06-15 住友化学株式会社 Compound

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1456771A (en) * 1964-09-04 1966-07-08 Sandoz Sa Manufacturing process of azo compounds
BE668689A (en) * 1964-09-04
FR1446848A (en) * 1965-09-14 1966-07-22 Sandoz Sa Manufacturing process of azo compounds
DE1931881A1 (en) * 1969-06-24 1971-02-18 Hoechst Ag Process for dyeing textile material from mixtures of polyester fibers with cellulose fibers
DE2061357A1 (en) * 1970-12-12 1972-06-15 Farbwerke Hoechst AG vormals Mei ster Lucius & Bruning, 6000 Frankfurt Process for the production of insoluble azo dyes on cellulose fibers
IT946159B (en) * 1970-12-24 1973-05-21 Bayer Ag AZOCOLORANTS AND PROCEDURE FOR THEIR PREPARATION
GB1426053A (en) * 1972-03-15 1976-02-25 Ici Ltd Preparation of dispersible azo dyestuff compositions by azo coupling
BE796574A (en) * 1972-03-15 1973-09-10 Ici Ltd DISPERSIONS AND COMPOSITIONS OF DISPERSABLE AZOIC COLORANTS
GB1438118A (en) * 1972-11-21 1976-06-03 Ici Ltd Preparation of aqueous dispersions of azo dyestuffs
BE811846A (en) * 1973-03-12 1974-09-04 PRODUCTION OF COLORING COMPOSITIONS
DE2533603A1 (en) * 1975-07-26 1977-02-10 Bayer Ag PRODUCTION OF AZO DYES WITH CRUSHING
DE2607122C2 (en) * 1976-02-21 1983-10-27 Bayer Ag, 5090 Leverkusen Process for the production of azo dyes

Also Published As

Publication number Publication date
JPS5562965A (en) 1980-05-12
GB2034738A (en) 1980-06-11
IN153228B (en) 1984-06-16
DE2847532C3 (en) 1981-08-06
BR7907121A (en) 1980-07-08
FR2440970A1 (en) 1980-06-06
DE2847532B2 (en) 1980-11-27
FR2440970B1 (en) 1986-04-18
DE2847532A1 (en) 1980-05-08
CH643867A5 (en) 1984-06-29

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Legal Events

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

Effective date: 19971029