CH56471A - Process for the preparation of an azo dye - Google Patents

Process for the preparation of an azo dye

Info

Publication number
CH56471A
CH56471A CH56471A CH56471DA CH56471A CH 56471 A CH56471 A CH 56471A CH 56471 A CH56471 A CH 56471A CH 56471D A CH56471D A CH 56471DA CH 56471 A CH56471 A CH 56471A
Authority
CH
Switzerland
Prior art keywords
preparation
azo dye
azo
dye
Prior art date
Application number
CH56471A
Other languages
German (de)
Inventor
Farbenfabriken Vorm Friedr Co
Original Assignee
Farbenfab Vorm Bayer F & Co
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 Farbenfab Vorm Bayer F & Co filed Critical Farbenfab Vorm Bayer F & Co
Publication of CH56471A publication Critical patent/CH56471A/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
    • C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
    • C09B31/068—Naphthols
    • C09B31/072—Naphthols containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH56471A 1911-03-31 1911-03-31 Process for the preparation of an azo dye CH56471A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH56471T 1911-03-31
CH55545T 1911-03-31

Publications (1)

Publication Number Publication Date
CH56471A true CH56471A (en) 1912-11-01

Family

ID=25697952

Family Applications (1)

Application Number Title Priority Date Filing Date
CH56471A CH56471A (en) 1911-03-31 1911-03-31 Process for the preparation of an azo dye

Country Status (1)

Country Link
CH (1) CH56471A (en)

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