DE91816C - - Google Patents

Info

Publication number
DE91816C
DE91816C DENDAT91816D DE91816DA DE91816C DE 91816 C DE91816 C DE 91816C DE NDAT91816 D DENDAT91816 D DE NDAT91816D DE 91816D A DE91816D A DE 91816DA DE 91816 C DE91816 C DE 91816C
Authority
DE
Germany
Prior art keywords
brown
act
preparation
sulfuric acid
high percentage
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
DENDAT91816D
Other languages
German (de)
Publication of DE91816C publication Critical patent/DE91816C/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
    • C09B59/00—Artificial dyes of unknown constitution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (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: Verfahren zur Darstellung eines braunrothen Farbstoffes von der empirischen Zusammensetzung C6 /Z4 S2 O3, darin bestehend, dafs manProcess for the preparation of a brown-red dye of the empirical composition C 6 / Z 4 S 2 O 3 , consisting in that one '& 1^e "4'& 1 ^ e "4 hochprocentige rauchende Schwefelsäure
Diphenylendisulfid einwirken läfst.high percentage fuming sulfuric acid
Allow diphenylene disulfide to act.
DENDAT91816D Active DE91816C (en)

Publications (1)

Publication Number Publication Date
DE91816C true DE91816C (en)

Family

ID=363405

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT91816D Active DE91816C (en)

Country Status (1)

Country Link
DE (1) DE91816C (en)

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