Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2006-02-03
2010-02-16
Elhilo, Eisa B (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S570000, C008S571000, C008S573000, C008S576000
Reexamination Certificate
active
07662193
ABSTRACT:
Provided is a hair dye composition containing a dissociative direct dye (1):(wherein Ar represents an aromatic group or heterocyclic aromatic group which may have a substituent, Ar′ represents an aromatic group which may be substituted by an alkyl group or an electron drawing group, or a specific heterocyclic aromatic group, and W represents an electron drawing group); or salt thereof.
REFERENCES:
patent: 2004/0019982 (2004-02-01), Pratt et al.
patent: 11 512440 (1999-10-01), None
patent: 2003 0342139 (2003-12-01), None
STIC Search Report dated Feb. 24, 2009.
Ishiwata Yasuhiro
Matsunaga Ken-ichi
Pratt Dominic
Saimiya Hiromi
Elhilo Eisa B
Fujifilm Corporation
Kao Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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