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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
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Description
PERLIN. GEDRUCKT IN DER REICHSDRUCKEREI,PERLIN. PRINTED IN THE REICHSDRUCKEREI,
Claims (1)
Patent-Anspruch:Patent claim:Verfahren zur Darstellung eines roten, besonders zur Bereitung von Farblacken
geeigneten Monoazofarbstoffs durch Kornbination von diazotiertem 3 · 4 · 5-Trichloranilin
mit 2-Naphtol-3 ■ 6-disulfosäure.Process for the representation of a red, especially for the preparation of colored lacquers
suitable monoazo dye by combining diazotized 3x4x5-trichloroaniline
with 2-naphthol-3 6-disulfonic acid.