GB504754A - Manufacture of azo-dyestuffs - Google Patents

Manufacture of azo-dyestuffs

Info

Publication number
GB504754A
GB504754A GB29834/37A GB2983437A GB504754A GB 504754 A GB504754 A GB 504754A GB 29834/37 A GB29834/37 A GB 29834/37A GB 2983437 A GB2983437 A GB 2983437A GB 504754 A GB504754 A GB 504754A
Authority
GB
United Kingdom
Prior art keywords
dyestuffs
azo
manufacture
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
GB29834/37A
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
Publication of GB504754A publication Critical patent/GB504754A/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)
GB29834/37A 1936-11-04 1937-11-01 Manufacture of azo-dyestuffs Expired GB504754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE504754X 1936-11-04

Publications (1)

Publication Number Publication Date
GB504754A true GB504754A (en) 1939-05-01

Family

ID=6546245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29834/37A Expired GB504754A (en) 1936-11-04 1937-11-01 Manufacture of azo-dyestuffs

Country Status (1)

Country Link
GB (1) GB504754A (en)

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