DE252658C - - Google Patents

Info

Publication number
DE252658C
DE252658C DENDAT252658D DE252658DA DE252658C DE 252658 C DE252658 C DE 252658C DE NDAT252658 D DENDAT252658 D DE NDAT252658D DE 252658D A DE252658D A DE 252658DA DE 252658 C DE252658 C DE 252658C
Authority
DE
Germany
Prior art keywords
gallocyanins
phenylpyrazolone
gallocyanin
dyes
reacts
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
DENDAT252658D
Other languages
German (de)
Publication of DE252658C publication Critical patent/DE252658C/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
    • C09B19/00—Oxazine dyes
    • C09B19/005—Gallocyanine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

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

Claims (1)

Patent-Anspruch :Patent claim: Verfahren zur Darstellung von Farbstoffen der Gallocyaninreihe, darin bestehend, daß man Gallocyanine oder verwandte Verbindungen mit Phenylpyrazolon oder dessen Derivaten umsetzt.Process for the preparation of dyes of the gallocyanin series, consisting of that one reacts gallocyanins or related compounds with phenylpyrazolone or its derivatives.
DENDAT252658D Active DE252658C (en)

Publications (1)

Publication Number Publication Date
DE252658C true DE252658C (en)

Family

ID=510992

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT252658D Active DE252658C (en)

Country Status (1)

Country Link
DE (1) DE252658C (en)

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