DE254304C - - Google Patents

Info

Publication number
DE254304C
DE254304C DENDAT254304D DE254304DA DE254304C DE 254304 C DE254304 C DE 254304C DE NDAT254304 D DENDAT254304 D DE NDAT254304D DE 254304D A DE254304D A DE 254304DA DE 254304 C DE254304 C DE 254304C
Authority
DE
Germany
Prior art keywords
derivatives
copper
sulfur
leucoindophenols
naphthylenediamine
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
DENDAT254304D
Other languages
German (de)
Publication of DE254304C publication Critical patent/DE254304C/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
    • C09B49/10—Sulfur dyes from diphenylamines, indamines, or indophenols, e.g. p-aminophenols or leucoindophenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

N. GCbRUCiCT IN DIiR REICHSbRUCKEREI.N. GCbRUCiCT IN DIiR REICHSBRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von Schwefelfarbstoffen, darin bestehend, daß man die aus ι · 8-Naphtylendiamin oder seinen Derivaten und ρ-Aminophenol oder seinen Derivaten erhältlichen Indophenole bzw. Leukoindophenole mit oder ohne Zusatz • von Kupfer oder Kupferverbindungen der Schwefelschmelze unterwirft.Process for the preparation of sulfur dyes, consisting in that the from ι · 8-naphthylenediamine or its derivatives and ρ-aminophenol or its Derivatives obtainable indophenols or leucoindophenols with or without the addition of copper or copper compounds of the Subjects to molten sulfur.
DENDAT254304D Active DE254304C (en)

Publications (1)

Publication Number Publication Date
DE254304C true DE254304C (en)

Family

ID=512506

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT254304D Active DE254304C (en)

Country Status (1)

Country Link
DE (1) DE254304C (en)

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