CH289281A - Process for the preparation of a disazo dye. - Google Patents

Process for the preparation of a disazo dye.

Info

Publication number
CH289281A
CH289281A CH289281DA CH289281A CH 289281 A CH289281 A CH 289281A CH 289281D A CH289281D A CH 289281DA CH 289281 A CH289281 A CH 289281A
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 CH289281A publication Critical patent/CH289281A/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)
CH289281D 1950-07-06 1950-07-06 Process for the preparation of a disazo dye. CH289281A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH285140T 1950-07-06
CH289281T 1950-07-06

Publications (1)

Publication Number Publication Date
CH289281A true CH289281A (en) 1953-02-28

Family

ID=25732493

Family Applications (1)

Application Number Title Priority Date Filing Date
CH289281D CH289281A (en) 1950-07-06 1950-07-06 Process for the preparation of a disazo dye.

Country Status (1)

Country Link
CH (1) CH289281A (en)

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