Triphenylmethane dyes for use with polyacrylonitrile

Triphenylmethane dyestuffs (I) are prepd. by (a) replacing the H atom in position (4) of ring (B) of leucobase (IIe by a negative substituent, and (b) oxidising the pdt.

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Bibliographische Detailangaben
1. Verfasser:	BLASS,ULRICH,DR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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Beschreibung
Zusammenfassung:	Triphenylmethane dyestuffs (I) are prepd. by (a) replacing the H atom in position (4) of ring (B) of leucobase (IIe by a negative substituent, and (b) oxidising the pdt.