Agent for dyeing keratin-based fibers

Details Agent for dyeing keratin-based fibers Agent for dyeing keratin-based fibers

2008-07-01

2008-07-01

Elhilo, Eisa B (Department: 1796)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S406000, C008S407000, C008S410000, C008S435000, C008S565000, C008S567000, C008S573000, C008S608000, C008S613000, C544S245000

Reexamination Certificate

active

07393367

ABSTRACT:
An agent for dyeing keratin-containing fibers, especially human hair, is comprised of a cosmetic carrier, and(A) at least one compound of Formula I,wherein each of R1, R2and R3is independently a hydrogen atom, a halogen atom, a C1-C6alkyl group, a C2-C6alkenyl group, a hydroxyl group, a C1-C6alkoxy group, a C1-C6hydroxyalkyl group, a C2-C6polyhydroxyalkyl group, a hydroxy C1-C6alkyloxy group, a sulfonyl group, a carboxyl group, a C1-C6alkoxycarbonyl group, a hydroxy C2-C6alkyloxycarbonyl group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, a C2-C6acyl group, a formyl group, a nitro group, a carbamoyl group —C(O)—NR4R5, or a —(CH2)nNR6R7group wherein each of R4, R5, R6and R7is independently a hydrogen atom, a C1-C6alkyl group or a C2-C6hydroxyalkyl group; and n is number from 0 to 6, wherein R1and R2can form a 5- or 6-membered aromatic or heteroaromatic ring; and (B) at least one CH-acidic compound.

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