Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2011-05-24
2011-05-24
Elhilo, Eisa B (Department: 1761)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S408000, C008S435000, C008S552000, C008S611000, C008S628000
Reexamination Certificate
active
07947090
ABSTRACT:
An air-oxidation haircolor composition is based: a) water; b) water soluble metal salt as a catalyst; c) etidronic acid (1-hydroxyethane-1,1-diphosphoric acid) as a chelating agent and color deposition enhancer; d) oxidation primary dye intermediates; e) an aromatic triol such as 1,2,4-Benzenetriol; f) auxiliary oxidation dye couplers; g) dye antioxidants and stabilizers; h) optionally, a water soluble surfactant; i) optionally, a water soluble anionic polymer; j) a water soluble solvent system; and k) an alkalizer.
REFERENCES:
patent: 4054413 (1977-10-01), Feinland et al.
patent: 7758659 (2010-07-01), Massoni
Combe Incorporated
Costigan James V.
Elhilo Eisa B
Hedman & Costigan ,P.C.
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