CH289274A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH289274A
CH289274A CH289274DA CH289274A CH 289274 A CH289274 A CH 289274A CH 289274D A CH289274D A CH 289274DA CH 289274 A CH289274 A CH 289274A
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 CH289274A publication Critical patent/CH289274A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH289274D 1949-08-25 1949-08-25 Process for the preparation of an azo dye. CH289274A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH289274T 1949-08-25
CH302394T 1952-02-12

Publications (1)

Publication Number Publication Date
CH289274A true CH289274A (en) 1953-02-28

Family

ID=25732865

Family Applications (1)

Application Number Title Priority Date Filing Date
CH289274D CH289274A (en) 1949-08-25 1949-08-25 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH289274A (en)

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