GB1359454A - Trisazo dyestuffs - Google Patents

Trisazo dyestuffs

Info

Publication number
GB1359454A
GB1359454A GB1537173A GB1537173A GB1359454A GB 1359454 A GB1359454 A GB 1359454A GB 1537173 A GB1537173 A GB 1537173A GB 1537173 A GB1537173 A GB 1537173A GB 1359454 A GB1359454 A GB 1359454A
Authority
GB
United Kingdom
Prior art keywords
alkyl
trisazo
radical
trisazo dyestuffs
formula
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
GB1537173A
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 GB1359454A publication Critical patent/GB1359454A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
    • C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol
    • C09B35/465—D being derived from diaminodiarylamine

Abstract

1359454 Trisazo dyestuffs BAYER AG 30 March 1973 [1 April 1972] 15371/73 Heading C4P Trisazo dyes have, in the form of the free acid, the general formula where D is the radical of a diazo component, and K represents the radical of a coupling component of formula wherein R is H or alkyl, R 1 is H or alkyl, R 2 is H alkyl or aryl, and X is -NH 2 or -OH. They are prepared by diazotization and coupling reactions, and give black dyeings on leather and polyamide materials.
GB1537173A 1972-04-01 1973-03-30 Trisazo dyestuffs Expired GB1359454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722215952 DE2215952B2 (en) 1972-04-01 1972-04-01 Trisazo dyes and their use for dyeing leather

Publications (1)

Publication Number Publication Date
GB1359454A true GB1359454A (en) 1974-07-10

Family

ID=5840819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1537173A Expired GB1359454A (en) 1972-04-01 1973-03-30 Trisazo dyestuffs

Country Status (9)

Country Link
JP (2) JPS5820983B2 (en)
BE (1) BE797576A (en)
CH (1) CH582217A5 (en)
DE (1) DE2215952B2 (en)
ES (1) ES413223A1 (en)
FR (1) FR2178964B1 (en)
GB (1) GB1359454A (en)
IT (1) IT981814B (en)
NL (1) NL7304265A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986425A (en) * 1972-12-23 1974-08-19
DE3134063A1 (en) * 1981-08-28 1983-03-10 Cassella Ag, 6000 Frankfurt WATER-SOLUBLE POLYAZO DYES, THEIR PRODUCTION AND THEIR USE
EP0169808A3 (en) * 1984-07-24 1988-12-21 Ciba-Geigy Ag Uv-absorber compounds, method for their preparation and their use as image dyes in photographic materials for the silver dye-bleaching process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR804316A (en) * 1935-04-09 1936-10-21 Ig Farbenindustrie Ag Process for preparing azo dyes
FR1097549A (en) * 1953-04-04 1955-07-06 Cassella Farbwerke Mainkur Ag Trisazo and polyazo dyes and their preparation process

Also Published As

Publication number Publication date
JPS5855274B2 (en) 1983-12-08
DE2215952A1 (en) 1973-10-11
JPS499534A (en) 1974-01-28
NL7304265A (en) 1973-10-03
JPS5820983B2 (en) 1983-04-26
ES413223A1 (en) 1976-01-01
FR2178964A1 (en) 1973-11-16
IT981814B (en) 1974-10-10
FR2178964B1 (en) 1977-02-04
DE2215952B2 (en) 1978-03-02
CH582217A5 (en) 1976-11-30
BE797576A (en) 1973-10-01
JPS55142778A (en) 1980-11-07

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Legal Events

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