DE57166C - Process for the preparation of blue azo dyes from tetrazodiphenol ethers and dioxynaphthalene monosulfonic acids - Google Patents

Process for the preparation of blue azo dyes from tetrazodiphenol ethers and dioxynaphthalene monosulfonic acids

Info

Publication number
DE57166C
DE57166C DENDAT57166D DE57166DA DE57166C DE 57166 C DE57166 C DE 57166C DE NDAT57166 D DENDAT57166 D DE NDAT57166D DE 57166D A DE57166D A DE 57166DA DE 57166 C DE57166 C DE 57166C
Authority
DE
Germany
Prior art keywords
dioxynaphthalene
preparation
azo dyes
tetrazodiphenol
ethers
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
DENDAT57166D
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 DE57166C publication Critical patent/DE57166C/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
    • C09B35/14—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy compounds

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 neuen blauen, direct färbenden Azofarbstoffen, darin bestehend, dafs man nach dem Verfahren des Patentes Nr. 38802 Tetrazodiphenolmethylpder -äthyläther auf diejenigen Dioxynaphtalinmonosulfosäuren einwirken läfst, welche aus den Naphtoldisulfosäuren der Patente Nr. 40571 und Nr. 44079 durch Verschmelzen mit Alkalien entstehen.Process for the preparation of new blue, direct coloring azo dyes, consisting of that tetrazodiphenolmethylpder ethyl ether is applied to those dioxynaphthalene monosulfonic acids by the process of Patent No. 38802 which is derived from the naphthol disulfonic acids of patents no. 40571 and no. 44079 by fusing with alkalis.
DENDAT57166D Process for the preparation of blue azo dyes from tetrazodiphenol ethers and dioxynaphthalene monosulfonic acids Expired - Lifetime DE57166C (en)

Publications (1)

Publication Number Publication Date
DE57166C true DE57166C (en)

Family

ID=331545

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT57166D Expired - Lifetime DE57166C (en) Process for the preparation of blue azo dyes from tetrazodiphenol ethers and dioxynaphthalene monosulfonic acids

Country Status (1)

Country Link
DE (1) DE57166C (en)

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