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. 26, 2010
Filed:
Feb. 10, 2006
Masakazu Yamaguchi, Sumida-ku, JP;
Dominic Pratt, Darmstadt, DE;
Yasuhiro Ishiwata, Minamiashigara, JP;
Masakazu Yamaguchi, Sumida-ku, JP;
Dominic Pratt, Darmstadt, DE;
Yasuhiro Ishiwata, Minamiashigara, JP;
Kao Corporation, Tokyo, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
A hair dye composition containing an azo dye (1) or a salt thereof, (wherein Rto Rrepresents H, aliphatic hydrocarbon group, aryl group, halogen atom, acyl group, cyano group, acylamino group, or the like, wherein Rand R, and/or Rand Rmay be coupled to form a 5- or 6-membered ring; X represents C or N, with the proviso that when X represents C, n stands for 1, and when X represents N, n stands for 0; A, A, Aand Aeach represents N or represents C substituted by Y or having H, with the proviso that at least one of A, A, Aand Ais a nitrogen atom; and Y represents a substituent with the proviso that m stands for an integer from 0 to 3).