CH163182A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH163182A
CH163182A CH163182DA CH163182A CH 163182 A CH163182 A CH 163182A CH 163182D A CH163182D A CH 163182DA CH 163182 A CH163182 A CH 163182A
Authority
CH
Switzerland
Prior art keywords
preparation
azo dye
azo
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie 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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH163182A publication Critical patent/CH163182A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
    • 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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/18—Trisazo or higher polyazo dyes
    • C09B33/22—Trisazo dyes of the type A->B->K<-C

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH163182D 1931-11-30 1931-11-30 Process for the preparation of an azo dye. CH163182A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH157035T 1931-11-30
CH163182T 1931-11-30

Publications (1)

Publication Number Publication Date
CH163182A true CH163182A (en) 1933-07-31

Family

ID=25716869

Family Applications (4)

Application Number Title Priority Date Filing Date
CH160681D CH160681A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.
CH157035D CH157035A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.
CH163182D CH163182A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.
CH160674D CH160674A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH160681D CH160681A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.
CH157035D CH157035A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH160674D CH160674A (en) 1931-11-30 1931-11-30 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (4) CH160681A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468348A (en) * 1972-09-26 1984-08-28 Sandoz Ltd. Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenylazonaphthyl-2-azo)phenylazo group linked to a coupling component radical

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988804A (en) * 1987-11-10 1991-01-29 Ciba-Geigy Corporation Polyazo dyes obtained by successive coupling of H-acid and two further anilinic diazo components on resorcinol or the like
EP0577556B1 (en) * 1992-06-30 1997-01-15 Ciba SC Holding AG Process for the trichromatic dyeing of leather with dye mixtures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468348A (en) * 1972-09-26 1984-08-28 Sandoz Ltd. Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenylazonaphthyl-2-azo)phenylazo group linked to a coupling component radical

Also Published As

Publication number Publication date
CH160681A (en) 1933-03-15
CH157035A (en) 1932-09-15
CH160674A (en) 1933-03-15

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