DE245768C - - Google Patents

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Publication number
DE245768C
DE245768C DENDAT245768D DE245768DA DE245768C DE 245768 C DE245768 C DE 245768C DE NDAT245768 D DENDAT245768 D DE NDAT245768D DE 245768D A DE245768D A DE 245768DA DE 245768 C DE245768 C DE 245768C
Authority
DE
Germany
Prior art keywords
chlorosulfur
aminoanthraquinones
nitrobenzene
solvents
modification
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
DENDAT245768D
Other languages
German (de)
Publication of DE245768C publication Critical patent/DE245768C/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

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  • 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-Anspruch:Patent claim: Abänderung des Verfahrens des Patentes 224500 zur Herstellung von Küpenfarbstoffen der Anthrachinonreihe, darin bestehend, daß man a- oder β-Aminoanthrachinone gegebenenfalls unter Zusatz von Lösungsmitteln mit Chlorschwefel auf den Siedepunkt des Nitrobenzols übersteigende Temperaturen erhitzt.Modification of the process of patent 224500 for the production of vat dyes of the anthraquinone series, consisting in heating a- or β-aminoanthraquinones, optionally with the addition of solvents with chlorosulfur, to temperatures exceeding the boiling point of nitrobenzene.
DENDAT245768D Active DE245768C (en)

Publications (1)

Publication Number Publication Date
DE245768C true DE245768C (en)

Family

ID=504703

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT245768D Active DE245768C (en)

Country Status (1)

Country Link
DE (1) DE245768C (en)

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