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:
Jan. 13, 2009
Filed:
Dec. 20, 2005
Applicants:
Masakazu Yamaguchi, Sumida-ku, JP;
Dominic Pratt, Darmstadt, DE;
Makiko Aimi, Ashigarakami-gun, JP;
Yasuhiro Ishiwata, Minamiashigara, JP;
Inventors:
Masakazu Yamaguchi, Sumida-ku, JP;
Dominic Pratt, Darmstadt, DE;
Makiko Aimi, Ashigarakami-gun, JP;
Yasuhiro Ishiwata, Minamiashigara, JP;
Assignees:
Kao Corporation, Tokyo, JP;
FUJIFILM Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); C07D 285/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hair dye composition containing an azo dye (1) or a salt thereof: wherein R represents a coupler moiety, Rand Reach independently represent —SOM, —SONRRor a hydrogen atom, R, Rand Reach independently represent a hydrogen atom or a substituent, and M represents a hydrogen atom, metal atom or ammonium, with a proviso that Rand Rare not hydrogen atoms at the same time.