DE119831C - - Google Patents

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Publication number
DE119831C
DE119831C DENDAT119831D DE119831DA DE119831C DE 119831 C DE119831 C DE 119831C DE NDAT119831 D DENDAT119831 D DE NDAT119831D DE 119831D A DE119831D A DE 119831DA DE 119831 C DE119831 C DE 119831C
Authority
DE
Germany
Prior art keywords
methylisatina
toluidid
methylisatin
isatin
homologues
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
DENDAT119831D
Other languages
German (de)
Publication of DE119831C publication Critical patent/DE119831C/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
    • C09B7/00—Indigoid dyes
    • C09B7/02—Bis-indole indigos

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Peptides Or Proteins (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI,BERLIN. PRINTED IN THE REICHSDRUCKEREI,

Claims (1)

Patent-Anspruch:Patent claim: Neuerung in dem Verfahren des Patentes 119280, darin bestehend, dafs man an Stelle von α - Isatinanilid seine Homologen, wie o-Methylisatin-a-o-toluidid, p-Methylisatin-a-ptoluidid, Isatin-a-o-toluidid, o-Methylisatina-anilid, Isatin-a-p-toluidid, p-Methylisatina-anilid durch Reduction vermittelst Schwefelammonium in Indigo oder dessen Homologe überführt.Innovation in the process of patent 119280, consisting in the fact that one in place of α - isatinanilide its homologues, such as o-methylisatin-a-o-toluidid, p-methylisatin-a-ptoluidid, Isatin-a-o-toluidid, o-Methylisatina-anilid, Isatin-a-p-toluidide, p-methylisatina-anilide by reduction by means of sulfur ammonium in indigo or its homologues convicted.
DENDAT119831D Active DE119831C (en)

Publications (1)

Publication Number Publication Date
DE119831C true DE119831C (en)

Family

ID=388937

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT119831D Active DE119831C (en)

Country Status (1)

Country Link
DE (1) DE119831C (en)

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