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:
Feb. 16, 2010
Filed:
Feb. 03, 2006
Applicants:
Kenichi Matsunaga, Sumida-ku, JP;
Hiromi Saimiya, Sumida-ku, JP;
Dominic Pratt, Darmstadt, DE;
Yasuhiro Ishiwata, Minamiashigara, JP;
Inventors:
Kenichi Matsunaga, Sumida-ku, JP;
Hiromi Saimiya, Sumida-ku, JP;
Dominic Pratt, Darmstadt, DE;
Yasuhiro Ishiwata, Minamiashigara, JP;
Assignees:
Kao Corporation, Tokyo, JP;
Fujifilm Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
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.