CH201528A - Process for the preparation of a disazo dye. - Google Patents

Process for the preparation of a disazo dye.

Info

Publication number
CH201528A
CH201528A CH201528DA CH201528A CH 201528 A CH201528 A CH 201528A CH 201528D A CH201528D A CH 201528DA CH 201528 A CH201528 A CH 201528A
Authority
CH
Switzerland
Prior art keywords
preparation
disazo dye
disazo
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH201528A publication Critical patent/CH201528A/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
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH201528D 1936-02-21 1937-02-11 Process for the preparation of a disazo dye. CH201528A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE197584X 1936-02-21
CH197584T 1937-02-11

Publications (1)

Publication Number Publication Date
CH201528A true CH201528A (en) 1938-11-30

Family

ID=25723014

Family Applications (2)

Application Number Title Priority Date Filing Date
CH201528D CH201528A (en) 1936-02-21 1937-02-11 Process for the preparation of a disazo dye.
CH197584D CH197584A (en) 1936-02-21 1937-02-11 Process for the preparation of a disazo dye.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH197584D CH197584A (en) 1936-02-21 1937-02-11 Process for the preparation of a disazo dye.

Country Status (1)

Country Link
CH (2) CH201528A (en)

Also Published As

Publication number Publication date
CH197584A (en) 1938-05-15

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