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CH251582A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH251582A
CH251582A CH251582DA CH251582A CH 251582 A CH251582 A CH 251582A CH 251582D A CH251582D A CH 251582DA CH 251582 A CH251582 A CH 251582A
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 CH251582A publication Critical patent/CH251582A/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
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/16—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents linking amino-azo or cyanuric acid residues
    • 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and 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
    • 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
    • C09B33/28—Tetrazo dyes of the type A->B->K<-C<-D

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH251582D 1944-12-19 1944-12-19 Process for the preparation of an azo dye. CH251582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH616977X 1944-12-19

Publications (1)

Publication Number Publication Date
CH251582A true CH251582A (en) 1947-10-31

Family

ID=4523827

Family Applications (2)

Application Number Title Priority Date Filing Date
CH245989D CH245989A (en) 1944-12-19 1944-12-19 Process for the preparation of an azo dye.
CH251582D CH251582A (en) 1944-12-19 1944-12-19 Process for the preparation of an azo dye.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH245989D CH245989A (en) 1944-12-19 1944-12-19 Process for the preparation of an azo dye.

Country Status (3)

Country Link
CH (2) CH245989A (en)
GB (1) GB616977A (en)
NL (1) NL63222C (en)

Also Published As

Publication number Publication date
NL63222C (en)
GB616977A (en) 1949-01-31
CH245989A (en) 1946-12-15

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