Pyrido thiazinium dyes

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United States of America Patent

PATENT NO 7785375
APP PUB NO 20090300855A1
SERIAL NO

11922660

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Abstract

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, carboxy or hydroxy; and An is an anion. Furthermore, the present invention relates to novel heterocyclic compounds, compositions thereof, especially comprising other dyes, and to processes for their preparation and application to hair dying.

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Patent Owner(s)

Patent OwnerAddress
CIBA SPECIALTY CHEMICALS CORP540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eliu, Victor Paul Lörrach, DE 29 174
Fröhling, Beate Grenzach-Wyhlen, DE 19 123
Kauffmann, Dominique Illzach, FR 11 98

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