DE241630C - - Google Patents

Info

Publication number
DE241630C
DE241630C DENDAT241630D DE241630DA DE241630C DE 241630 C DE241630 C DE 241630C DE NDAT241630 D DENDAT241630 D DE NDAT241630D DE 241630D A DE241630D A DE 241630DA DE 241630 C DE241630 C DE 241630C
Authority
DE
Germany
Prior art keywords
derivatives
diketohydroindene
diketohydroinden
possibly
preparation
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.)
Active
Application number
DENDAT241630D
Other languages
German (de)
Publication of DE241630C publication Critical patent/DE241630C/de
Active 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
    • C09B29/32—Monoazo dyes prepared by diazotising and coupling from coupling components containing a reactive methylene group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von Azofarbstoffen des a-y-Diketohydroindens und seiner Derivate, dadurch gekennzeichnet, daß man a-y-Diketohydroinden-ß-carbonsäure oder deren Derivate mit Diazoverbindungen kombiniert und eventuell die entstandenen Produkte noch mit verseifenden Mitteln behandelt.Process for the preparation of azo dyes of the a-y-diketohydroindene and its derivatives, characterized in that a-y-diketohydroinden-ß-carboxylic acid or their derivatives combined with diazo compounds and possibly the resulting products are still treated with saponifying agents.
DENDAT241630D Active DE241630C (en)

Publications (1)

Publication Number Publication Date
DE241630C true DE241630C (en)

Family

ID=500915

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT241630D Active DE241630C (en)

Country Status (1)

Country Link
DE (1) DE241630C (en)

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