FR471284A - Process for the production of new azo dyestuffs - Google Patents

Process for the production of new azo dyestuffs

Info

Publication number
FR471284A
FR471284A FR471284DA FR471284A FR 471284 A FR471284 A FR 471284A FR 471284D A FR471284D A FR 471284DA FR 471284 A FR471284 A FR 471284A
Authority
FR
France
Prior art keywords
production
azo dyestuffs
new azo
new
dyestuffs
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.)
Bayer AG
Original Assignee
Farbenfabriken Vorm Friedr Bayer and Co
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 Farbenfabriken Vorm Friedr Bayer and Co filed Critical Farbenfabriken Vorm Friedr Bayer and Co
Application granted granted Critical
Publication of FR471284A publication Critical patent/FR471284A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR471284D 1913-05-03 1914-04-23 Process for the production of new azo dyestuffs Expired FR471284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE471284X 1913-05-03

Publications (1)

Publication Number Publication Date
FR471284A true FR471284A (en) 1914-10-21

Family

ID=1509566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR471284D Expired FR471284A (en) 1913-05-03 1914-04-23 Process for the production of new azo dyestuffs

Country Status (1)

Country Link
FR (1) FR471284A (en)

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