ZA707533B - Basic azo dyes free from sulphonic acid groups,their production and use - Google Patents

Basic azo dyes free from sulphonic acid groups,their production and use

Info

Publication number
ZA707533B
ZA707533B ZA707533A ZA707533A ZA707533B ZA 707533 B ZA707533 B ZA 707533B ZA 707533 A ZA707533 A ZA 707533A ZA 707533 A ZA707533 A ZA 707533A ZA 707533 B ZA707533 B ZA 707533B
Authority
ZA
South Africa
Prior art keywords
production
acid groups
sulphonic acid
azo dyes
basic azo
Prior art date
Application number
ZA707533A
Other languages
English (en)
Inventor
W Steinemann
Original Assignee
Sandoz Ltd
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 Sandoz Ltd filed Critical Sandoz Ltd
Publication of ZA707533B publication Critical patent/ZA707533B/xx

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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
    • C09B29/3617—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
    • C09B29/3621—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
ZA707533A 1969-11-07 1970-11-06 Basic azo dyes free from sulphonic acid groups,their production and use ZA707533B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1656169A CH519008A (de) 1969-11-07 1969-11-07 Verfahren zur Herstellung sulfonsäuregruppenfreier basischer Azoverbindungen

Publications (1)

Publication Number Publication Date
ZA707533B true ZA707533B (en) 1972-06-28

Family

ID=4418386

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707533A ZA707533B (en) 1969-11-07 1970-11-06 Basic azo dyes free from sulphonic acid groups,their production and use

Country Status (2)

Country Link
CH (1) CH519008A (de)
ZA (1) ZA707533B (de)

Also Published As

Publication number Publication date
CH519008A (de) 1972-02-15

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