FR941336A - Mono-azo dyes of the pyrazolone series free from sulfonic groups and process for their preparation - Google Patents

Mono-azo dyes of the pyrazolone series free from sulfonic groups and process for their preparation

Info

Publication number
FR941336A
FR941336A FR941336DA FR941336A FR 941336 A FR941336 A FR 941336A FR 941336D A FR941336D A FR 941336DA FR 941336 A FR941336 A FR 941336A
Authority
FR
France
Prior art keywords
mono
preparation
azo dyes
sulfonic groups
pyrazolone series
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.)
Novartis AG
Original Assignee
JR Geigy 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR941336A publication Critical patent/FR941336A/en
Expired legal-status Critical Current

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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
    • C09B29/3647—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms
    • C09B29/3652—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles
    • C09B29/366—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles containing hydroxy-1,2-diazoles, e.g. pyrazolone

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR941336D 1946-01-31 1947-01-30 Mono-azo dyes of the pyrazolone series free from sulfonic groups and process for their preparation Expired FR941336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH941336X 1946-01-31

Publications (1)

Publication Number Publication Date
FR941336A true FR941336A (en) 1949-01-07

Family

ID=4549444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941336D Expired FR941336A (en) 1946-01-31 1947-01-30 Mono-azo dyes of the pyrazolone series free from sulfonic groups and process for their preparation

Country Status (1)

Country Link
FR (1) FR941336A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892809C (en) * 1951-07-14 1953-10-12 Basf Ag Process for the production of azo dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892809C (en) * 1951-07-14 1953-10-12 Basf Ag Process for the production of azo dyes

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