CA970774A - Azo dyes - Google Patents

Azo dyes

Info

Publication number
CA970774A
CA970774A CA142,390A CA142390A CA970774A CA 970774 A CA970774 A CA 970774A CA 142390 A CA142390 A CA 142390A CA 970774 A CA970774 A CA 970774A
Authority
CA
Canada
Prior art keywords
azo dyes
azo
dyes
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
CA142,390A
Other versions
CA142390S (en
Inventor
Ulrich Zirngibl
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.)
Sandoz Patent Ltd
Original Assignee
Sandoz Patent 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 Patent Ltd filed Critical Sandoz Patent Ltd
Application granted granted Critical
Publication of CA970774A publication Critical patent/CA970774A/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
    • 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
    • C09B29/3626—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 from a pyridine ring containing one or more hydroxyl groups (or = O)
    • 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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/005—Special process features in the quaternization reaction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA142,390A 1971-05-18 1972-05-17 Azo dyes Expired CA970774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH727671A CH549630A (en) 1971-05-18 1971-05-18 PROCESS FOR PRODUCING AZO COMPOUNDS.

Publications (1)

Publication Number Publication Date
CA970774A true CA970774A (en) 1975-07-08

Family

ID=4322588

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,390A Expired CA970774A (en) 1971-05-18 1972-05-17 Azo dyes

Country Status (6)

Country Link
CA (1) CA970774A (en)
CH (1) CH549630A (en)
DE (1) DE2223451A1 (en)
FR (1) FR2137994A1 (en)
GB (1) GB1390444A (en)
IT (1) IT955614B (en)

Also Published As

Publication number Publication date
IT955614B (en) 1973-09-29
DE2223451A1 (en) 1972-11-30
FR2137994A1 (en) 1972-12-29
CH549630A (en) 1974-05-31
GB1390444A (en) 1975-04-09

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