FR843115A - Azo dyes and their production process - Google Patents

Azo dyes and their production process

Info

Publication number
FR843115A
FR843115A FR843115DA FR843115A FR 843115 A FR843115 A FR 843115A FR 843115D A FR843115D A FR 843115DA FR 843115 A FR843115 A FR 843115A
Authority
FR
France
Prior art keywords
production process
azo dyes
azo
dyes
production
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 FR843115A publication Critical patent/FR843115A/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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
    • C09B31/062—Phenols
    • C09B31/065—Phenols containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof
FR843115D 1937-09-08 1938-09-06 Azo dyes and their production process Expired FR843115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE843115X 1937-09-08

Publications (1)

Publication Number Publication Date
FR843115A true FR843115A (en) 1939-06-26

Family

ID=6772000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843115D Expired FR843115A (en) 1937-09-08 1938-09-06 Azo dyes and their production process

Country Status (1)

Country Link
FR (1) FR843115A (en)

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