Compositions for dyeing hair with cationic direct dyes

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United States of America Patent

PATENT NO 9855202
SERIAL NO

15072479

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Abstract

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Described herein is a hair color composition for dyeing the hair. The hair color composition includes one or more direct dye compounds and one or more additional ingredients. The one or more direct dye compounds each include a chromophore, one or two permanent cations, and one to four incipient cations. The one to four incipient cations are pendant to the core structure and are neutral. The one or more direct dye compounds enter the hair shaft after the hair color composition is applied to the hair. The hair color composition has a pH of from about 7 to about 11.

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Patent Owner(s)

Patent OwnerAddress
GALLERIA COONE PROCTOR AND GAMBLE PLAZA CINCINNATI OH 45202

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murphy, Bryan Patrick Loveland, US 73 439
Torgerson, Peter Marte Washington Courthouse, US 32 479
Zhang, Guiru Lebanon, US 39 217

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