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FR458374A - Azo dyes production process - Google Patents

Azo dyes production process

Info

Publication number
FR458374A
FR458374A FR458374DA FR458374A FR 458374 A FR458374 A FR 458374A FR 458374D A FR458374D A FR 458374DA FR 458374 A FR458374 A FR 458374A
Authority
FR
France
Prior art keywords
production process
azo dyes
dyes production
azo
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.)
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 FR458374A publication Critical patent/FR458374A/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)
FR458374D 1912-05-31 1913-05-26 Azo dyes production process Expired FR458374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE458374X 1912-05-31

Publications (1)

Publication Number Publication Date
FR458374A true FR458374A (en) 1913-10-09

Family

ID=1497978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR458374D Expired FR458374A (en) 1912-05-31 1913-05-26 Azo dyes production process

Country Status (1)

Country Link
FR (1) FR458374A (en)

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