Phosphate dye precursors and use thereof for dyeing keratin...

Details Phosphate dye precursors and use thereof for dyeing keratin... Phosphate dye precursors and use thereof for dyeing keratin...

2005-06-07

2005-06-07

Kopec, Mark (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Using enzymes, dye process, composition, or product of dyeing

C008S405000, C008S406000, C008S410000, C008S411000, C008S421000, C008S428000, C008S437000, C008S451000, C548S412000

Reexamination Certificate

active

06902586

ABSTRACT:
The present invention relates to the use for dyeing keratin fibers, in particular human keratin fibers such as the hair, of a dye precursor bearing at least one phosphate substituent of formula —O—PO(OH)2, in the presence of at least one acid or alkaline phosphatase.

REFERENCES:
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patent: 5589328 (1996-12-01), Mahant
patent: 5645609 (1997-07-01), Andrean et al.
patent: 5965114 (1999-10-01), Braun et al.
patent: 2 779 951 (1999-12-01), None
patent: 1128371 (1968-09-01), None
patent: 56o73179 (1979-11-01), None

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