The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2007
Filed:
Apr. 18, 2002
Hideyuki Abe, Tokyo, JP;
Akira Kawamata, Wakayama, JP;
Akira Kiyomine, Tokyo, JP;
Kao Corporation, Tokyo, JP;
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. (Rto R: H or Calkyl which may be substituted by OH, Rto R: H, (substituted) Calkyl, (substituted) aralkyl, (substituted) heteroarylalkyl, (substituted) aryl, (substituted) heteroaryl, (substituted) Cacyl, or a group (2) (in which Rto Rrepresents H, Calkyl, 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.