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:
Nov. 02, 2010
Filed:
Apr. 25, 2008
Miyuki Hayama, Sumida-ku, JP;
Osamu Takiguchi, Sumida-ku, JP;
Yoshimasa Tate, Sumida-ku, JP;
Masaaki Tsukase, Minamiashigara, JP;
Miyuki Hayama, Sumida-ku, JP;
Osamu Takiguchi, Sumida-ku, JP;
Yoshimasa Tate, Sumida-ku, JP;
Masaaki Tsukase, Minamiashigara, JP;
Kao Corporation, Tokyo, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A hair dye composition containing a triazene dissociative direct dye represented by general formula (1): A-N═N—NH-B (1) wherein A and B are each a monocyclic or a bicyclic aromatic heterocyclic group that may have a substituent or a monocyclic or a bicyclic aryl group that may have a substituent and contain none of a carboxy group, a sulfo group and a quaternary ammonium group; and A and B each bind to a triazene-1,3-diyl group represented by —N═N—NH— via a carbon atom within A and B each. A and B may be the same or different.