DE261557C - - Google Patents

Info

Publication number
DE261557C
DE261557C DENDAT261557D DE261557DA DE261557C DE 261557 C DE261557 C DE 261557C DE NDAT261557 D DENDAT261557 D DE NDAT261557D DE 261557D A DE261557D A DE 261557DA DE 261557 C DE261557 C DE 261557C
Authority
DE
Germany
Prior art keywords
green
preparing
subjected
treatment
nitric acid
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
DENDAT261557D
Other languages
German (de)
Publication of DE261557C publication Critical patent/DE261557C/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)
  • Coloring (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKERELBERLIN. PRINTED IN THE REICHSDRUCKEREL

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung eines grünen Küpenfarbstoffs, darin bestehend, daß man den gemäß Verfahren der Patentschrift 243751 erhältlichen grünblauen Farbstoff der Behandlung mit Salpetersäure unterwirft. A method for preparing a green vat dye, consisting in that: the green-blue dye obtainable according to the method of patent specification 243751 subjected to treatment with nitric acid.
DENDAT261557D Active DE261557C (en)

Publications (1)

Publication Number Publication Date
DE261557C true DE261557C (en)

Family

ID=519107

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT261557D Active DE261557C (en)

Country Status (1)

Country Link
DE (1) DE261557C (en)

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