Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2003-10-21
2008-03-04
Elhilo, Eisa (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S426000, C008S428000, C008S454000, C008S462000
Reexamination Certificate
active
07338535
ABSTRACT:
Disclosed herein is a rapid dyeing process for human keratin fibers, such as hair, comprising applying to the keratin fibers at least one dye composition comprising, in a medium suitable for dyeing, at least one direct dye chosen from arylmethane dyes, cationic azo dyes, methine dyes, azomethine dyes and azine dyes; maintaining the composition in contact with the keratin fibers for a leave-in time of less than 5 minutes; and rinsing the treated keratin fibers; wherein the resulting coloration has, according to the CIELAB notation, an L* value of less than 40 and/or a C* value of greater than 20, such as greater than 25, when the composition is applied to natural hair containing 90% white hairs at a temperature of 27° C.±5° C. for a period of 4 minutes, for a bath ratio of 10. Further disclosed herein is a process for stripping the keratin fibers colored with the direct dye, comprising applying an oxidizing or reducing treatment in a time period of less than 5 minutes.
REFERENCES:
patent: 5474578 (1995-12-01), Chan et al.
patent: 5931973 (1999-08-01), Malle et al.
patent: 6171347 (2001-01-01), Kunz et al.
patent: 6231622 (2001-05-01), Chassot et al.
patent: 6541032 (2003-04-01), Medelnick et al.
patent: 2002/0139957 (2002-10-01), Matsuo et al.
patent: 2003/0159221 (2003-08-01), Lang
patent: 2004/0143910 (2004-07-01), Said et al.
patent: 0 547 790 (1993-06-01), None
patent: 0 796 850 (1997-09-01), None
patent: 2 070 879 (1971-09-01), None
patent: 2 818 536 (2002-06-01), None
patent: A-5-221837 (1993-08-01), None
patent: A-2001-163729 (2001-06-01), None
patent: A-2001-294519 (2001-10-01), None
patent: A-2002-265338 (2002-09-01), None
patent: WO 95/15144 (1995-06-01), None
patent: WO 01/66068 (2001-09-01), None
patent: WO 02/100367 (2002-12-01), None
English language Derwent abstract of JP-A-5-221837.
English language Derwent abstract of JP-A-2001-294519.
Automatic English translation from the Japanese Patent Office of JP-A-2001-294519.
English language Derwent Abstract of FR 2 070 879, Sep. 17, 1971.
English language Derwent Abstract of FR 2 818 536, Jun. 28, 2002.
English language Derwent abstract of JP-A-5-221837 (1993).
English language Derwent abstract of JP-A-2001-294519 (2001).
Automatic English translation from the Japanese Patent Office of JP-A-2001-294519 (2001).
Guerin Frederic
Plos Grégory
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
L'Oreal S.A.
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