CH289277A - Process for the preparation of a disazo dye. - Google Patents

Process for the preparation of a disazo dye.

Info

Publication number
CH289277A
CH289277A CH289277DA CH289277A CH 289277 A CH289277 A CH 289277A CH 289277D A CH289277D A CH 289277DA CH 289277 A CH289277 A CH 289277A
Authority
CH
Switzerland
Prior art keywords
preparation
disazo dye
disazo
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Sandoz
Original Assignee
Ag Sandoz
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 Ag Sandoz filed Critical Ag Sandoz
Publication of CH289277A publication Critical patent/CH289277A/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
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH289277D 1950-07-06 1950-07-06 Process for the preparation of a disazo dye. CH289277A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH285140T 1950-07-06
CH289277T 1950-07-06

Publications (1)

Publication Number Publication Date
CH289277A true CH289277A (en) 1953-02-28

Family

ID=25732489

Family Applications (1)

Application Number Title Priority Date Filing Date
CH289277D CH289277A (en) 1950-07-06 1950-07-06 Process for the preparation of a disazo dye.

Country Status (1)

Country Link
CH (1) CH289277A (en)

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