CH551472A - PROCESS FOR THE PRODUCTION OF SULPHIC ACID AND CARBONIC ACID GROUP-FREE DISAZO DYES. - Google Patents

PROCESS FOR THE PRODUCTION OF SULPHIC ACID AND CARBONIC ACID GROUP-FREE DISAZO DYES.

Info

Publication number
CH551472A
CH551472A CH1549570A CH1549570A CH551472A CH 551472 A CH551472 A CH 551472A CH 1549570 A CH1549570 A CH 1549570A CH 1549570 A CH1549570 A CH 1549570A CH 551472 A CH551472 A CH 551472A
Authority
CH
Switzerland
Prior art keywords
production
sulphic
disazo dyes
acid group
carbonic acid
Prior art date
Application number
CH1549570A
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.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH551472A publication Critical patent/CH551472A/en

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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • 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
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
    • 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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/145—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with polycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH1549570A 1969-11-12 1970-10-20 PROCESS FOR THE PRODUCTION OF SULPHIC ACID AND CARBONIC ACID GROUP-FREE DISAZO DYES. CH551472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691956710 DE1956710A1 (en) 1969-11-12 1969-11-12 Water-insoluble disazo dyes

Publications (1)

Publication Number Publication Date
CH551472A true CH551472A (en) 1974-07-15

Family

ID=5750796

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1549570A CH551472A (en) 1969-11-12 1970-10-20 PROCESS FOR THE PRODUCTION OF SULPHIC ACID AND CARBONIC ACID GROUP-FREE DISAZO DYES.

Country Status (6)

Country Link
BE (1) BE758847A (en)
CH (1) CH551472A (en)
DE (1) DE1956710A1 (en)
FR (1) FR2067251B1 (en)
GB (1) GB1277327A (en)
NL (1) NL7016505A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH606311A5 (en) * 1974-09-26 1978-10-31 Ciba Geigy Ag

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH482789A (en) * 1967-03-16 1969-12-15 Ciba Geigy Process for the production of new disazo dye pigments
CH501708A (en) * 1968-01-10 1971-01-15 Ciba Geigy Ag Process for the preparation of new water-insoluble azo compounds

Also Published As

Publication number Publication date
FR2067251B1 (en) 1975-01-10
NL7016505A (en) 1971-05-14
GB1277327A (en) 1972-06-14
BE758847A (en) 1971-04-16
FR2067251A1 (en) 1971-08-20
DE1956710A1 (en) 1971-05-19

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Legal Events

Date Code Title Description
PL Patent ceased