CH239334A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH239334A
CH239334A CH239334DA CH239334A CH 239334 A CH239334 A CH 239334A CH 239334D A CH239334D A CH 239334DA CH 239334 A CH239334 A CH 239334A
Authority
CH
Switzerland
Prior art keywords
preparation
azo dye
azo
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH239334A publication Critical patent/CH239334A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • 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
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • 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
    • C09B35/36—Trisazo dyes of the type
    • C09B35/366—D is diphenyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH239334D 1942-09-02 1942-09-02 Process for the preparation of an azo dye. CH239334A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH237187T 1942-09-02
CH239338T 1942-09-02

Publications (1)

Publication Number Publication Date
CH239334A true CH239334A (en) 1945-09-30

Family

ID=25728238

Family Applications (5)

Application Number Title Priority Date Filing Date
CH239336D CH239336A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.
CH239335D CH239335A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.
CH239338D CH239338A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.
CH239334D CH239334A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.
CH237187D CH237187A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CH239336D CH239336A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.
CH239335D CH239335A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.
CH239338D CH239338A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH237187D CH237187A (en) 1942-09-02 1942-09-02 Process for the preparation of an azo dye.

Country Status (2)

Country Link
CH (5) CH239336A (en)
NL (1) NL60356C (en)

Also Published As

Publication number Publication date
NL60356C (en)
CH237187A (en) 1945-04-15
CH239335A (en) 1945-09-30
CH239336A (en) 1945-09-30
CH239338A (en) 1945-09-30

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