DE268504C - - Google Patents

Info

Publication number
DE268504C
DE268504C DENDAT268504D DE268504DA DE268504C DE 268504 C DE268504 C DE 268504C DE NDAT268504 D DENDAT268504 D DE NDAT268504D DE 268504D A DE268504D A DE 268504DA DE 268504 C DE268504 C DE 268504C
Authority
DE
Germany
Prior art keywords
dimethyldianthraquinoyl
saying
dyes
dye
treated
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
DENDAT268504D
Other languages
German (de)
Publication of DE268504C publication Critical patent/DE268504C/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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/40—Pyranthrones
    • C09B3/44—Preparation from starting materials already containing the pyranthrone nucleus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

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

Claims (1)

Patent-An Spruch:Patent-An saying: 5555 Verfahren zur Darstellung von Farbstoffen der Anthracenreihe, darin bestehend, daß man den Farbstoff des Patents 175067 aus Dimethyldianthrachinoyl in Gegenwart von organischen Verdünnungsmitteln mit Nitrierungsmitteln behandelt und die Nitroverbindungen eventuell noch reduziert.Process for the preparation of dyes of the anthracene series, consisting therein that the dye of the patent 175067 from dimethyldianthraquinoyl treated with nitrating agents in the presence of organic diluents and the nitro compounds may be reduced.
DENDAT268504D Active DE268504C (en)

Publications (1)

Publication Number Publication Date
DE268504C true DE268504C (en)

Family

ID=525468

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT268504D Active DE268504C (en)

Country Status (1)

Country Link
DE (1) DE268504C (en)

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