CH281132A - Process for the preparation of a monoazo dye of the pyrazolone series. - Google Patents

Process for the preparation of a monoazo dye of the pyrazolone series.

Info

Publication number
CH281132A
CH281132A CH281132DA CH281132A CH 281132 A CH281132 A CH 281132A CH 281132D A CH281132D A CH 281132DA CH 281132 A CH281132 A CH 281132A
Authority
CH
Switzerland
Prior art keywords
preparation
monoazo dye
pyrazolone series
pyrazolone
series
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH281132A publication Critical patent/CH281132A/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
    • 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)
CH281132D 1950-03-13 1949-07-18 Process for the preparation of a monoazo dye of the pyrazolone series. CH281132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH281132T 1950-03-13

Publications (1)

Publication Number Publication Date
CH281132A true CH281132A (en) 1952-02-29

Family

ID=4483003

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281132D CH281132A (en) 1950-03-13 1949-07-18 Process for the preparation of a monoazo dye of the pyrazolone series.

Country Status (1)

Country Link
CH (1) CH281132A (en)

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