FR784320A - Process for preparing azo dyes - Google Patents

Process for preparing azo dyes

Info

Publication number
FR784320A
FR784320A FR784320DA FR784320A FR 784320 A FR784320 A FR 784320A FR 784320D A FR784320D A FR 784320DA FR 784320 A FR784320 A FR 784320A
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 FR784320A publication Critical patent/FR784320A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/38—Preparation from compounds with —OH and —COOH adjacent in the same ring or in peri position
    • C09B45/40—Chromium compounds
FR784320D 1934-01-31 1935-01-18 Process for preparing azo dyes Expired FR784320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE784320X 1934-01-31

Publications (1)

Publication Number Publication Date
FR784320A true FR784320A (en) 1935-07-22

Family

ID=6698510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784320D Expired FR784320A (en) 1934-01-31 1935-01-18 Process for preparing azo dyes

Country Status (1)

Country Link
FR (1) FR784320A (en)

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