CH556371A - PROCESS FOR PREPARING A NEW WATER-SOLUBLE DISAZO DYE. - Google Patents

PROCESS FOR PREPARING A NEW WATER-SOLUBLE DISAZO DYE.

Info

Publication number: CH556371A
Authority: CH; Switzerland
Prior art keywords: preparing; new water; disazo dye; soluble disazo; soluble
Prior art date: 1970-11-30

Application number

CH1717471A

Other languages

German (de)

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.)

1970-11-30

Filing date

1971-11-25

Publication date

1974-11-29

1971-11-25 Application filed by Hoechst Ag filed Critical Hoechst Ag

1974-11-29 Publication of CH556371A publication Critical patent/CH556371A/en

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
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
- C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and amino groups

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Coloring (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CH1717471A 1970-11-30 1971-11-25 PROCESS FOR PREPARING A NEW WATER-SOLUBLE DISAZO DYE. CH556371A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702058816 DE2058816C3 (en)	1970-11-30	1970-11-30	Water-soluble disazo dye, process for its preparation and its use for dyeing leather and fur

Publications (1)

Publication Number	Publication Date
CH556371A true CH556371A (en)	1974-11-29

Family

ID=5789495

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1717471A CH556371A (en)	1970-11-30	1971-11-25	PROCESS FOR PREPARING A NEW WATER-SOLUBLE DISAZO DYE.

Country Status (8)

Country	Link
BE (1)	BE776081A (en)
CH (1)	CH556371A (en)
DE (1)	DE2058816C3 (en)
ES (1)	ES397305A1 (en)
FR (1)	FR2115491B1 (en)
GB (1)	GB1349098A (en)
IT (1)	IT946115B (en)
NL (1)	NL7116216A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2453209C2 (en) *	1974-11-09	1983-02-03	Bayer Ag, 5090 Leverkusen	Disazo dyes, process for their preparation and their use
CH601437A5 (en) *	1975-04-24	1978-07-14	Sandoz Ag
US5744591A (en) *	1997-05-27	1998-04-28	Everlight Usa, Inc.	Red dyestuffs

1970
- 1970-11-30 DE DE19702058816 patent/DE2058816C3/en not_active Expired
1971
- 1971-11-24 ES ES397305A patent/ES397305A1/en not_active Expired
- 1971-11-25 CH CH1717471A patent/CH556371A/en not_active IP Right Cessation
- 1971-11-25 NL NL7116216A patent/NL7116216A/xx not_active Application Discontinuation
- 1971-11-26 GB GB5503671A patent/GB1349098A/en not_active Expired
- 1971-11-27 IT IT3176671A patent/IT946115B/en active
- 1971-11-30 BE BE776081A patent/BE776081A/en unknown
- 1971-11-30 FR FR7142882A patent/FR2115491B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2058816C3 (en)	1975-02-06
BE776081A (en)	1972-05-30
NL7116216A (en)	1972-06-01
IT946115B (en)	1973-05-21
FR2115491B1 (en)	1976-03-26
DE2058816B2 (en)	1974-06-06
GB1349098A (en)	1974-03-27
DE2058816A1 (en)	1972-07-06
FR2115491A1 (en)	1972-07-07
ES397305A1 (en)	1975-03-01

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Legal Events

Date	Code	Title	Description
1990-07-31	PL	Patent ceased