DE209233C - - Google Patents

Info

Publication number
DE209233C
DE209233C DENDAT209233D DE209233DA DE209233C DE 209233 C DE209233 C DE 209233C DE NDAT209233 D DENDAT209233 D DE NDAT209233D DE 209233D A DE209233D A DE 209233DA DE 209233 C DE209233 C DE 209233C
Authority
DE
Germany
Prior art keywords
sulfur
dye
hypochlorites
methylanthraquinone
reddish
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
DENDAT209233D
Other languages
German (de)
Publication of DE209233C publication Critical patent/DE209233C/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
    • C09B49/00—Sulfur dyes
    • C09B49/12—Sulfur dyes from other compounds, e.g. other heterocyclic compounds
    • C09B49/124—Sulfur dyes from other compounds, e.g. other heterocyclic compounds from polycarbocyclic compounds

Landscapes

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

Description

BERLIN. GEDRUCKT IN BEB REICHSDRUCKERE1,BERLIN. PRINTED IN BEB REICHSPRINTER1,

Claims (1)

Patent-Anspruch:Patent claim: Weitere Ausbildung des durch Patent 209232 geschützten Verfahrens zur Darstellung von schwefelhaltigen orangefarbenen Küpenfarbstoffen der Anthracenreihe, darin bestehend, daß zwecks Gewinnung eines rötlichgelben Farbstoffs der durch Verschmelzen von 2 - Methylanthrachinon mit Schwefel bei unter 3000 liegenden Temperaturen erhältliche Rohfarbstoff mit Hypochloriten behandelt wird,Further development of the process for the preparation of sulfur-containing orange vat dyes of the anthracene series, which is protected by patent 209232, consists in treating the crude dye, which can be obtained by fusing 2-methylanthraquinone with sulfur at temperatures below 300 0 , with hypochlorites in order to obtain a reddish-yellow dye,
DENDAT209233D Active DE209233C (en)

Publications (1)

Publication Number Publication Date
DE209233C true DE209233C (en)

Family

ID=471214

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT209233D Active DE209233C (en)

Country Status (1)

Country Link
DE (1) DE209233C (en)

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