GB1373929A - Process for the production of sulphonic acid group-containing azo dyestuffs - Google Patents

Process for the production of sulphonic acid group-containing azo dyestuffs

Info

Publication number
GB1373929A
GB1373929A GB3721173A GB3721173A GB1373929A GB 1373929 A GB1373929 A GB 1373929A GB 3721173 A GB3721173 A GB 3721173A GB 3721173 A GB3721173 A GB 3721173A GB 1373929 A GB1373929 A GB 1373929A
Authority
GB
United Kingdom
Prior art keywords
production
acid group
sulphonic acid
containing azo
azo 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
GB3721173A
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
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of GB1373929A publication Critical patent/GB1373929A/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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C09B41/002—Special methods of performing the coupling reaction characterised by the coupling medium containing a solvent
    • 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
    • C09B29/28—Amino naphthols
    • C09B29/30—Amino naphtholsulfonic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
GB3721173A 1971-05-03 1971-12-23 Process for the production of sulphonic acid group-containing azo dyestuffs Expired GB1373929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712121671 DE2121671A1 (en) 1971-05-03 1971-05-03 Process for the production of azo dyes

Publications (1)

Publication Number Publication Date
GB1373929A true GB1373929A (en) 1974-11-13

Family

ID=5806656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3721173A Expired GB1373929A (en) 1971-05-03 1971-12-23 Process for the production of sulphonic acid group-containing azo dyestuffs

Country Status (2)

Country Link
DE (1) DE2121671A1 (en)
GB (1) GB1373929A (en)

Also Published As

Publication number Publication date
DE2121671A1 (en) 1972-11-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee