AT293570B - Process for the preparation of new monoazo dyes - Google Patents

Process for the preparation of new monoazo dyes

Info

Publication number: AT293570B
Authority: AT; Austria
Prior art keywords: preparation; monoazo dyes; new monoazo; new; dyes
Prior art date: 1969-07-23

Application number

AT592270A

Other languages

German (de)

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.)

1969-07-23

Filing date

1970-07-01

Publication date

1971-10-11

1970-07-01 Application filed by Bayer Ag filed Critical Bayer Ag

1971-10-11 Application granted granted Critical

1971-10-11 Publication of AT293570B publication Critical patent/AT293570B/en

Links

239000000975 dye Substances 0.000 title 1
NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 title 1

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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
- C09B29/28—Amino naphthols
- C09B29/30—Amino naphtholsulfonic acid

Landscapes

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

AT592270A 1969-07-23 1970-07-01 Process for the preparation of new monoazo dyes AT293570B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19691937363 DE1937363A1 (en)	1969-07-23	1969-07-23	Monoazo dyes

Publications (1)

Publication Number	Publication Date
AT293570B true AT293570B (en)	1971-10-11

Family

ID=5740618

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT592270A AT293570B (en)	1969-07-23	1970-07-01	Process for the preparation of new monoazo dyes

Country Status (5)

Country	Link
AT (1)	AT293570B (en)
BE (1)	BE753728A (en)
DE (1)	DE1937363A1 (en)
FR (1)	FR2053110A7 (en)
NL (1)	NL7010853A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1270616B (en) *	1966-08-27	1968-06-20	Photokino G M B H	Electronic hearing aid device to be worn in the ear
DE2712170C2 (en) *	1977-03-19	1984-10-25	Bayer Ag, 5090 Leverkusen	Azo dyes

1969
- 1969-07-23 DE DE19691937363 patent/DE1937363A1/en active Pending
1970
- 1970-07-01 AT AT592270A patent/AT293570B/en not_active IP Right Cessation
- 1970-07-22 NL NL7010853A patent/NL7010853A/xx unknown
- 1970-07-22 BE BE753728D patent/BE753728A/en unknown
- 1970-07-23 FR FR7027317A patent/FR2053110A7/en not_active Expired

Also Published As

Publication number	Publication date
BE753728A (en)	1970-12-31
DE1937363A1 (en)	1971-02-18
FR2053110B3 (en)	1973-04-27
FR2053110A7 (en)	1971-04-16
NL7010853A (en)	1971-01-26

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Legal Events

Date	Code	Title	Description
1973-11-15	ELJ	Ceased due to non-payment of the annual fee