DE128456C - - Google Patents

Info

Publication number
DE128456C
DE128456C DENDAT128456D DE128456DA DE128456C DE 128456 C DE128456 C DE 128456C DE NDAT128456 D DENDAT128456 D DE NDAT128456D DE 128456D A DE128456D A DE 128456DA DE 128456 C DE128456 C DE 128456C
Authority
DE
Germany
Prior art keywords
preparation
nitroaniline
naphthol
sulfonic acid
monoazo dye
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
DENDAT128456D
Other languages
German (de)
Publication of DE128456C publication Critical patent/DE128456C/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
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/10Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group

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 Darstellung eines rothen, zur Bereitung von Farblacken geeigneten Monoazofarbstoffes, darin bestehend, dafs man diazotirte p-Nitranilin-o-sulfosäure mit ß-Naphtol vereinigt. Process for the preparation of a red monoazo dye suitable for the preparation of colored lakes, consisting in combining diazotized p-nitroaniline-o-sulfonic acid with β-naphthol.
DENDAT128456D Active DE128456C (en)

Publications (1)

Publication Number Publication Date
DE128456C true DE128456C (en)

Family

ID=396983

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT128456D Active DE128456C (en)

Country Status (1)

Country Link
DE (1) DE128456C (en)

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