CH556896A - PROCESS FOR THE PREPARATION OF DISPERSE BISAZOIC DYES DERIVED FROM 1-PHENYL-5-PIRAZOLON-3-ACETIC ACID. - Google Patents

PROCESS FOR THE PREPARATION OF DISPERSE BISAZOIC DYES DERIVED FROM 1-PHENYL-5-PIRAZOLON-3-ACETIC ACID.

Info

Publication number
CH556896A
CH556896A CH340074A CH340074A CH556896A CH 556896 A CH556896 A CH 556896A CH 340074 A CH340074 A CH 340074A CH 340074 A CH340074 A CH 340074A CH 556896 A CH556896 A CH 556896A
Authority
CH
Switzerland
Prior art keywords
pirazolon
bisazoic
disperse
phenyl
preparation
Prior art date
Application number
CH340074A
Other languages
Italian (it)
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of CH556896A publication Critical patent/CH556896A/en

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
    • C09B31/12—Disazo dyes from other coupling components "C"
    • C09B31/14—Heterocyclic components
    • C09B31/143—1,2-Diazoles
    • C09B31/147—Pyrazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH340074A 1973-03-13 1974-03-11 PROCESS FOR THE PREPARATION OF DISPERSE BISAZOIC DYES DERIVED FROM 1-PHENYL-5-PIRAZOLON-3-ACETIC ACID. CH556896A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2155573A IT981365B (en) 1973-03-13 1973-03-13 DISPERSED BISAZOIC DYES DERIVED FROM PHENYL ACID 5 PIRAZOLON 3 ACETIC

Publications (1)

Publication Number Publication Date
CH556896A true CH556896A (en) 1974-12-13

Family

ID=11183529

Family Applications (1)

Application Number Title Priority Date Filing Date
CH340074A CH556896A (en) 1973-03-13 1974-03-11 PROCESS FOR THE PREPARATION OF DISPERSE BISAZOIC DYES DERIVED FROM 1-PHENYL-5-PIRAZOLON-3-ACETIC ACID.

Country Status (10)

Country Link
JP (1) JPS49120924A (en)
BE (1) BE812257A (en)
CA (1) CA1019325A (en)
CH (1) CH556896A (en)
DE (1) DE2411579A1 (en)
ES (1) ES424171A1 (en)
FR (1) FR2221494B1 (en)
GB (1) GB1460482A (en)
IT (1) IT981365B (en)
NL (1) NL7403150A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816505C2 (en) * 1978-04-15 1987-01-15 Basf Ag, 6700 Ludwigshafen Azo dyes with thiazole residues, their preparation and use
JPS58178363A (en) * 1982-04-13 1983-10-19 Mita Ind Co Ltd Electrophotographic receptor

Also Published As

Publication number Publication date
IT981365B (en) 1974-10-10
GB1460482A (en) 1977-01-06
FR2221494A1 (en) 1974-10-11
FR2221494B1 (en) 1976-10-08
DE2411579A1 (en) 1974-09-19
CA1019325A (en) 1977-10-18
JPS49120924A (en) 1974-11-19
ES424171A1 (en) 1976-05-16
BE812257A (en) 1974-09-13
NL7403150A (en) 1974-09-17

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Legal Events

Date Code Title Description
PL Patent ceased