DE97640C - - Google Patents

Info

Publication number
DE97640C
DE97640C DENDAT97640D DE97640DA DE97640C DE 97640 C DE97640 C DE 97640C DE NDAT97640 D DENDAT97640 D DE NDAT97640D DE 97640D A DE97640D A DE 97640DA DE 97640 C DE97640 C DE 97640C
Authority
DE
Germany
Prior art keywords
modification
sulfuric acid
used instead
obtained according
products obtained
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
DENDAT97640D
Other languages
German (de)
Publication of DE97640C publication Critical patent/DE97640C/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/02—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic ring being only condensed in peri position
    • C09B5/18—Coeroxene; Coerthiene; Coeramidene; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Coloring (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 im Patente Nr. 86225 geschützten Verfahrens, darin bestehend, dafs man die nach Anspruch 1 a) erhaltenen Producte anstatt mit wasserhaltiger Schwefelsäure mit wässerigen Alkalien behandelt.Modification of the process protected in patent no. 86225, consisting in that the products obtained according to claim 1 a) are used instead of hydrous sulfuric acid treated with aqueous alkalis.
DENDAT97640D Active DE97640C (en)

Publications (1)

Publication Number Publication Date
DE97640C true DE97640C (en)

Family

ID=368672

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT97640D Active DE97640C (en)

Country Status (1)

Country Link
DE (1) DE97640C (en)

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