Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-09-18
2007-09-18
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S431000, C008S602000, C540S475000, C540S554000
Reexamination Certificate
active
10510712
ABSTRACT:
Provided is a hair dye composition to be used as a mixture of a first part containing an alkali agent and a second part containing an oxidizing agent, wherein the composition comprises (a) a triazacyclononane compound (1) or salt thereof, (b) 0.1 to 12 wt. %, in terms of hydrogen peroxide, of an oxidizing agent, and (c) 0.05 to 10 wt. % of an alkali agent, and the mixture has a pH of from 7.5 to 12.(R1to R4: H or C1-6alkyl which may be substituted by OH, R5to R7: H, (substituted) C1-6alkyl, (substituted) aralkyl, (substituted) heteroarylalkyl, (substituted) aryl, (substituted) heteroaryl, (substituted) C1-6acyl, or a group (2) (in which R8to R12represents H, C1-6alkyl, aralkyl or aryl and n stands for 2 to 30).The hair dye composition of the present invention has excellent hair bleaching power, can dye the hair into a bright favorable color tone, and moreover has less hair damage and less scalp irritation.
REFERENCES:
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STIC Search Report dated Apr. 4, 2007.
Abe Hideyuki
Kawamata Akira
Kiyomine Akira
Elhilo Eisa
Kao Corporation
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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