DE247415C - - Google Patents

Info

Publication number
DE247415C
DE247415C DENDAT247415D DE247415DA DE247415C DE 247415 C DE247415 C DE 247415C DE NDAT247415 D DENDAT247415 D DE NDAT247415D DE 247415D A DE247415D A DE 247415DA DE 247415 C DE247415 C DE 247415C
Authority
DE
Germany
Prior art keywords
sulfur
nitrophenanthrenequinones
polysulphides
diluents
heated
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
DENDAT247415D
Other languages
German (de)
Publication of DE247415C publication Critical patent/DE247415C/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
    • C09B49/00Sulfur dyes
    • C09B49/02Sulfur dyes from nitro compounds of the benzene, naphthalene or anthracene series

Landscapes

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

Description

7575

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

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von schwefelhaltigen Farbstoffen der Phenanthrenreihe, darin bestehend, daß man Nitrophenanthrenchinone oder deren Substitutionsprodukte mit Schwefel und Alkalisulfiden bzw. mit Polysulfiden mit oder ohne Verwendung von Verdünnungsmitteln erhitzt, Process for the preparation of sulfur-containing dyes of the phenanthrene series, consisting of nitrophenanthrenequinones or their substitution products with sulfur and alkali sulfides or heated with polysulphides with or without the use of diluents, 7070
DENDAT247415D Active DE247415C (en)

Publications (1)

Publication Number Publication Date
DE247415C true DE247415C (en)

Family

ID=506206

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT247415D Active DE247415C (en)

Country Status (1)

Country Link
DE (1) DE247415C (en)

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