DE258384C - - Google Patents

Info

Publication number
DE258384C
DE258384C DENDAT258384D DE258384DA DE258384C DE 258384 C DE258384 C DE 258384C DE NDAT258384 D DENDAT258384 D DE NDAT258384D DE 258384D A DE258384D A DE 258384DA DE 258384 C DE258384 C DE 258384C
Authority
DE
Germany
Prior art keywords
fiber
washfast
etchable
dyeings
diazotized
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
DENDAT258384D
Other languages
German (de)
Publication of DE258384C publication Critical patent/DE258384C/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/18—Trisazo or higher polyazo dyes

Landscapes

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

Description

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

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Erzeugung von waschechten, ätzbaren Färbungen auf der Faser, darin bestehend, daß man den aus diazotierter 2-5'7-Aminonaphtolsulfosäure durch Behandeln mit Alkalien entstehenden Farbstoff auf der Faser mit Diazoverbindungen entwickelt.Process for the production of washfast, etchable dyeings on the fiber, consisting in that the diazotized 2-5'7-aminonaphthol sulfonic acid by Treatment of the dye on the fiber with diazo compounds, which is formed with alkalis developed.
DENDAT258384D Active DE258384C (en)

Publications (1)

Publication Number Publication Date
DE258384C true DE258384C (en)

Family

ID=516215

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT258384D Active DE258384C (en)

Country Status (1)

Country Link
DE (1) DE258384C (en)

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