CH289269A - Process for the preparation of a disazo dye. - Google Patents

Process for the preparation of a disazo dye.

Info

Publication number
CH289269A
CH289269A CH289269DA CH289269A CH 289269 A CH289269 A CH 289269A CH 289269D A CH289269D A CH 289269DA CH 289269 A CH289269 A CH 289269A
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 CH289269A publication Critical patent/CH289269A/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH289269D 1950-06-27 1950-06-27 Process for the preparation of a disazo dye. CH289269A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH289269T 1950-06-27
CH284416T 1950-06-27

Publications (1)

Publication Number Publication Date
CH289269A true CH289269A (en) 1953-02-28

Family

ID=25732430

Family Applications (1)

Application Number Title Priority Date Filing Date
CH289269D CH289269A (en) 1950-06-27 1950-06-27 Process for the preparation of a disazo dye.

Country Status (1)

Country Link
CH (1) CH289269A (en)

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