CH312860A - Process for the preparation of a disazo dye - Google Patents

Process for the preparation of a disazo dye

Info

Publication number
CH312860A
CH312860A CH312860DA CH312860A CH 312860 A CH312860 A CH 312860A CH 312860D A CH312860D A CH 312860DA CH 312860 A CH312860 A CH 312860A
Authority
CH
Switzerland
Prior art keywords
preparation
disazo dye
disazo
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Philippe Dr Grandjean
Willi Dr Steineman
Walter Dr Wehrli
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Publication of CH312860A publication Critical patent/CH312860A/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
    • 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)
CH312860D 1952-11-21 1952-11-21 Process for the preparation of a disazo dye CH312860A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH310504T 1952-11-21
CH312860T 1952-11-21

Publications (1)

Publication Number Publication Date
CH312860A true CH312860A (en) 1956-02-29

Family

ID=25735734

Family Applications (1)

Application Number Title Priority Date Filing Date
CH312860D CH312860A (en) 1952-11-21 1952-11-21 Process for the preparation of a disazo dye

Country Status (1)

Country Link
CH (1) CH312860A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879265A (en) * 1956-12-21 1959-03-24 Sandoz Ag Disazo dyestuffs and their metal complex compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879265A (en) * 1956-12-21 1959-03-24 Sandoz Ag Disazo dyestuffs and their metal complex compounds

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