Dyes and colorants

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6828443
SERIAL NO

10031740

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hybrid dye is provided that is useful for coloring keratin fibers and skin. The hybrid dye has the structure X-S-Y, where X is derived from a substantive dye, Y is derived from an oxidation dye precursor or a melanin precursor, and S is a direct bond or spacer group. The present invention also provides a composition for coloring keratin fibers that contains the hybrid dye.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA)HENKELSTRASSE 67 P O BOX 1100 D-4000 DUESSELDORF 1

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foitzik, Joachim-Kurt Seeheim-Jugenheim, DE 1 2
Hoeffkes, Horst Duesseldorf, DE 75 997
Hollenberg, Detlef Erkrath, DE 34 541
Naumann, Frank Duesseldorf, DE 64 452
Rose, David Hilden, DE 117 1472
Wolfram, Leszek J Stamford, CT 17 491

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