CH319841A - Process for the preparation of an azo dye - Google Patents

Process for the preparation of an azo dye

Info

Publication number
CH319841A
CH319841A CH319841DA CH319841A CH 319841 A CH319841 A CH 319841A CH 319841D A CH319841D A CH 319841DA CH 319841 A CH319841 A CH 319841A
Authority
CH
Switzerland
Prior art keywords
preparation
azo dye
azo
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Raymond Dr Gunst
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 CH319841A publication Critical patent/CH319841A/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
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/04—Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative
    • 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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24—Disazo or polyazo compounds
    • C09B45/28—Disazo or polyazo compounds containing copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH319841D 1949-08-25 1953-11-27 Process for the preparation of an azo dye CH319841A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH285138T 1949-08-25
CH319841T 1953-11-27

Publications (1)

Publication Number Publication Date
CH319841A true CH319841A (en) 1957-02-28

Family

ID=25732485

Family Applications (1)

Application Number Title Priority Date Filing Date
CH319841D CH319841A (en) 1949-08-25 1953-11-27 Process for the preparation of an azo dye

Country Status (1)

Country Link
CH (1) CH319841A (en)

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