DE293555C - - Google Patents

Info

Publication number
DE293555C
DE293555C DENDAT293555D DE293555DA DE293555C DE 293555 C DE293555 C DE 293555C DE NDAT293555 D DENDAT293555 D DE NDAT293555D DE 293555D A DE293555D A DE 293555DA DE 293555 C DE293555 C DE 293555C
Authority
DE
Germany
Prior art keywords
disulfonic acid
acid
diaminodiphenylsulfi
thioaniline
tetrazotized
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
DENDAT293555D
Other languages
German (de)
Publication of DE293555C publication Critical patent/DE293555C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02Disazo dyes
    • C09B35/039Disazo dyes characterised by the tetrazo component
    • C09B35/227Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl sulfide or a diaryl polysulfide

Landscapes

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

Description

BERLIN. GEDRUCKT IN DER KEICHSDRUCKEREI.BERLIN. PRINTED IN THE KEICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von walkechten gelben Disazofarbstoffen für Wolle, darin bestehend, daß man tetrazotierte 4 · 4'-Diaminodiphenylsulfi.d-2 · 2'-disulfosäure (Thioanilindisulfosäure) mit 2 Mol. eines Acetessigsäurearylids kuppelt.Process for the preparation of milled yellow disazo dyes for wool, consisting in that one tetrazotized 4 · 4'-diaminodiphenylsulfi.d-2 · 2'-disulfonic acid (Thioaniline disulfonic acid) with 2 mol. Of an acetoacetic acid arylide.
DENDAT293555D Active DE293555C (en)

Publications (1)

Publication Number Publication Date
DE293555C true DE293555C (en)

Family

ID=548211

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT293555D Active DE293555C (en)

Country Status (1)

Country Link
DE (1) DE293555C (en)

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