FR842576A - Process for preparing azo dyes - Google Patents

Process for preparing azo dyes

Info

Publication number
FR842576A
FR842576A FR842576DA FR842576A FR 842576 A FR842576 A FR 842576A FR 842576D A FR842576D A FR 842576DA FR 842576 A FR842576 A FR 842576A
Authority
FR
France
Prior art keywords
azo dyes
preparing azo
preparing
dyes
azo
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
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
Application granted granted Critical
Publication of FR842576A publication Critical patent/FR842576A/en
Expired legal-status Critical Current

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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR842576D 1938-08-25 1938-08-25 Process for preparing azo dyes Expired FR842576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842576T 1938-08-25

Publications (1)

Publication Number Publication Date
FR842576A true FR842576A (en) 1939-06-14

Family

ID=9311501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842576D Expired FR842576A (en) 1938-08-25 1938-08-25 Process for preparing azo dyes

Country Status (1)

Country Link
FR (1) FR842576A (en)

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