CH214548A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH214548A
CH214548A CH214548DA CH214548A CH 214548 A CH214548 A CH 214548A CH 214548D A CH214548D A CH 214548DA CH 214548 A CH214548 A CH 214548A
Authority
CH
Switzerland
Prior art keywords
preparation
azo dye
azo
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 CH214548A publication Critical patent/CH214548A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH214548D 1938-05-21 1939-04-25 Process for the preparation of an azo dye. CH214548A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE212417X 1938-05-21
CH212417T 1939-04-25

Publications (1)

Publication Number Publication Date
CH214548A true CH214548A (en) 1941-04-30

Family

ID=25725230

Family Applications (3)

Application Number Title Priority Date Filing Date
CH212417D CH212417A (en) 1938-05-21 1939-04-25 Process for the preparation of an azo dye.
CH214548D CH214548A (en) 1938-05-21 1939-04-25 Process for the preparation of an azo dye.
CH214547D CH214547A (en) 1938-05-21 1939-04-25 Process for the preparation of an azo dye.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH212417D CH212417A (en) 1938-05-21 1939-04-25 Process for the preparation of an azo dye.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH214547D CH214547A (en) 1938-05-21 1939-04-25 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (3) CH212417A (en)

Also Published As

Publication number Publication date
CH212417A (en) 1940-11-30
CH214547A (en) 1941-04-30

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