DE95739C - - Google Patents

Info

Publication number
DE95739C
DE95739C DENDAT95739D DE95739DA DE95739C DE 95739 C DE95739 C DE 95739C DE NDAT95739 D DENDAT95739 D DE NDAT95739D DE 95739D A DE95739D A DE 95739DA DE 95739 C DE95739 C DE 95739C
Authority
DE
Germany
Prior art keywords
yellow
acid
benzoin
condensed
symmetrical
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
DENDAT95739D
Other languages
German (de)
Publication of DE95739C publication Critical patent/DE95739C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B13/00Oxyketone dyes
    • C09B13/06Oxyketone dyes of the acetophenone series

Description

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

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung gelber und gelbbrauner Farbstoffe aus Benzoin, darin bestehend, dafs man dasselbe in schwefelsaurer Lösung mit aromatischen Oxycarbonsäuren, wie z. B. Gallussäure oder symmetrischer Dioxybenzoesäure, condensirt.Process for the preparation of yellow and yellow-brown dyes from benzoin, consisting therein that the same thing in sulfuric acid solution with aromatic oxycarboxylic acids, such as. B. Gallic acid or symmetrical dioxybenzoic acid, condensed.
DENDAT95739D Active DE95739C (en)

Publications (1)

Publication Number Publication Date
DE95739C true DE95739C (en)

Family

ID=366951

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT95739D Active DE95739C (en)

Country Status (1)

Country Link
DE (1) DE95739C (en)

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