Dicationic compounds for dyeing human keratin fibers, and...

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

Reexamination Certificate

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C008S428000, C008S437000, C008S451000, C008S455000, C008S466000, C008S552000, C008S565000, C008S566000, C008S567000, C008S570000, C008S573000, C548S302400, C534S608000, C544S180000

Reexamination Certificate

active

10480384

ABSTRACT:
The present disclosure relates to the process of dyeing human keratinous fibers, such as the hair, with at least one specific direct dye in cosmetic compositions. Also disclosed herein are the direct dyeing and lightening compositions comprising said compounds, and the corresponding dyeing kits.

REFERENCES:
patent: 3578386 (1971-05-01), Kalopissis et al.
patent: 5674299 (1997-10-01), Küiser
patent: 5708151 (1998-01-01), Mockli
patent: 6458167 (2002-10-01), Genet et al.
patent: 41 28 490 (1993-03-01), None
patent: 198 02 940 (1999-08-01), None
patent: 0 318 294 (1989-05-01), None
patent: 0 696 619 (1996-02-01), None
patent: 1 022 016 (2000-07-01), None
patent: 1 133 975 (2001-09-01), None
patent: WO 02/31056 (2002-04-01), None
English language Derwent Abstract of DE 41 28 490 A1, Mar. 4, 1993.
English language Derwent Abstract of DE 198 02 940 C2, Aug. 5, 1999.

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