FR819778A - Process for preparing azo dyes - Google Patents

Process for preparing azo dyes

Info

Publication number
FR819778A
FR819778A FR819778DA FR819778A FR 819778 A FR819778 A FR 819778A FR 819778D A FR819778D A FR 819778DA FR 819778 A FR819778 A FR 819778A
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 FR819778A publication Critical patent/FR819778A/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
    • C09B39/00—Other azo dyes prepared by diazotising and coupling
    • 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
FR819778D 1936-04-01 1937-03-26 Process for preparing azo dyes Expired FR819778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE819778X 1936-04-01

Publications (1)

Publication Number Publication Date
FR819778A true FR819778A (en) 1937-10-26

Family

ID=6735763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819778D Expired FR819778A (en) 1936-04-01 1937-03-26 Process for preparing azo dyes

Country Status (1)

Country Link
FR (1) FR819778A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729629A (en) * 1951-04-25 1956-01-03 Sandoz Ag Green substantive dyestuff mixtures and process of making same
US2844574A (en) * 1953-06-03 1958-07-22 Azo dyes and their method of

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729629A (en) * 1951-04-25 1956-01-03 Sandoz Ag Green substantive dyestuff mixtures and process of making same
US2844574A (en) * 1953-06-03 1958-07-22 Azo dyes and their method of

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