GB1371877A - Trisazo dyestuffs - Google Patents

Trisazo dyestuffs

Info

Publication number: GB1371877A
Authority: GB; United Kingdom
Prior art keywords: trisazo dyestuffs; trisazo; dyestuffs
Prior art date: 1972-01-07
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

GB74073A

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.)

1972-01-07

Filing date

1973-01-05

Publication date

1974-10-30

1973-01-05 Application filed by Bayer AG filed Critical Bayer AG

1974-10-30 Publication of GB1371877A publication Critical patent/GB1371877A/en

Status Expired legal-status Critical Current

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
- C09B35/462—D being derived from diaminonaphthalene

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Coloring (AREA)

GB74073A 1972-01-07 1973-01-05 Trisazo dyestuffs Expired GB1371877A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19722200586 DE2200586C2 (en)	1972-01-07	1972-01-07	Trisazo dyes and their use

Publications (1)

Publication Number	Publication Date
GB1371877A true GB1371877A (en)	1974-10-30

Family

ID=5832457

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB74073A Expired GB1371877A (en)	1972-01-07	1973-01-05	Trisazo dyestuffs

Country Status (6)

Country	Link
CH (3)	CH12473A4 (en)
DE (1)	DE2200586C2 (en)
ES (1)	ES410375A1 (en)
FR (1)	FR2167755B1 (en)
GB (1)	GB1371877A (en)
IT (1)	IT973056B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE130475C (en) *
DE852879C (en) *	1936-10-21	1952-10-20	Sandoz Ag	Process for the preparation of polyazo dyes
FR835111A (en) *	1937-03-13	1938-12-13	Prod Chim Fab De	Polyazo dyes and process for preparing these dyes
FR1038894A (en) *	1950-07-05	1953-10-02	Ici Ltd	New triazo coloring matters
CH319585A (en) *	1952-09-02	1957-02-28	Cassella Farbwerke Mainkur Ag	Process for the preparation of new trisazo dyes
CH198053A (en) *	1955-09-14	1938-05-31	Chem Fab Vormals Sandoz	Process for the preparation of a polyazo dye.
FR1406784A (en) *	1963-08-08	1965-07-23	Sandoz Sa	Polyazo dyes, their manufacture and applications

1972
- 1972-01-07 DE DE19722200586 patent/DE2200586C2/en not_active Expired
- 1972-12-28 IT IT3374772A patent/IT973056B/en active
1973
- 1973-01-05 CH CH12473D patent/CH12473A4/xx unknown
- 1973-01-05 FR FR7300378A patent/FR2167755B1/fr not_active Expired
- 1973-01-05 GB GB74073A patent/GB1371877A/en not_active Expired
- 1973-01-05 CH CH12473A patent/CH566437A/xx not_active IP Right Cessation
- 1973-01-05 ES ES410375A patent/ES410375A1/en not_active Expired
- 1973-01-05 CH CH18075A patent/CH561760A5/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
ES410375A1 (en)	1975-12-16
FR2167755A1 (en)	1973-08-24
CH561760A5 (en)	1975-05-15
CH12473A4 (en)	1975-02-28
IT973056B (en)	1974-06-10
DE2200586C2 (en)	1982-10-14
FR2167755B1 (en)	1976-08-27
DE2200586A1 (en)	1973-07-12
CH566437A (en)	1975-09-15

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Legal Events

Date	Code	Title	Description
1975-03-12	PS	Patent sealed
1987-08-26	PCNP	Patent ceased through non-payment of renewal fee