CH222991A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH222991A
CH222991A CH222991DA CH222991A CH 222991 A CH222991 A CH 222991A CH 222991D A CH222991D A CH 222991DA CH 222991 A CH222991 A CH 222991A
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 CH222991A publication Critical patent/CH222991A/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
    • C09B35/40—Trisazo dyes ot the type the component K being a dihydroxy or polyhydroxy compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH222991D 1940-05-15 1941-03-24 Process for the preparation of an azo dye. CH222991A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE222991X 1940-05-15
CH219654T 1941-03-24

Publications (1)

Publication Number Publication Date
CH222991A true CH222991A (en) 1942-08-15

Family

ID=25726312

Family Applications (1)

Application Number Title Priority Date Filing Date
CH222991D CH222991A (en) 1940-05-15 1941-03-24 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH222991A (en)

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