DE54116C - Process for the preparation of fuchsin-red azo dyes from dioxyriaphthalene monosulfonic acid S. - Google Patents

Process for the preparation of fuchsin-red azo dyes from dioxyriaphthalene monosulfonic acid S.

Info

Publication number
DE54116C
DE54116C DENDAT54116D DE54116DA DE54116C DE 54116 C DE54116 C DE 54116C DE NDAT54116 D DENDAT54116 D DE NDAT54116D DE 54116D A DE54116D A DE 54116DA DE 54116 C DE54116 C DE 54116C
Authority
DE
Germany
Prior art keywords
fuchsin
preparation
azo dyes
dioxyriaphthalene
monosulfonic 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.)
Expired - Lifetime
Application number
DENDAT54116D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Farbenfabriken Vorm Friedr Bayer and Co
Publication of DE54116C publication Critical patent/DE54116C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/16—Naphthol-sulfonic acids

Landscapes

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

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von fuchsinrothen Azofarbstoffen, darin bestehend, dafs man die Diazoverbindungen von Anilin, Toluidin, Xylidin, Cumidin, Anisidin, Cresidin, Anilin- und Toluidinmonosulfosäuren auf diejenige Dioxynaphtalinmonosulfosäure einwirken läfst, welche durch Verschmelzen der a-Naphtoldisulfosäure S des Patentes Nr. 40571 entsteht.Process for the preparation of fuchsin-red azo dyes, consisting in that the Diazo compounds of aniline, toluidine, xylidine, cumidine, anisidine, cresidine, aniline and toluidine monosulfonic acids to act on the dioxynaphthalene monosulfonic acid, which is formed by fusing the α-naphthol disulfonic acid S of patent no. 40571.
DENDAT54116D Process for the preparation of fuchsin-red azo dyes from dioxyriaphthalene monosulfonic acid S. Expired - Lifetime DE54116C (en)

Publications (1)

Publication Number Publication Date
DE54116C true DE54116C (en)

Family

ID=328727

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT54116D Expired - Lifetime DE54116C (en) Process for the preparation of fuchsin-red azo dyes from dioxyriaphthalene monosulfonic acid S.

Country Status (1)

Country Link
DE (1) DE54116C (en)

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