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. 23, 2007
Filed:
Jan. 28, 2002
Katsunori Yoshida, Yokohama, JP;
Haruhiko Inoue, Yokohama, JP;
Koichi Kinoshita, Yokohama, JP;
Masatoshi Ochiai, Yokohama, JP;
Katsuo Hashimoto, Yokohama, JP;
Yasunari Nakama, Yokohama, JP;
Katsunori Yoshida, Yokohama, JP;
Haruhiko Inoue, Yokohama, JP;
Koichi Kinoshita, Yokohama, JP;
Masatoshi Ochiai, Yokohama, JP;
Katsuo Hashimoto, Yokohama, JP;
Yasunari Nakama, Yokohama, JP;
Shiseido Company, Ltd., Tokyo, JP;
Abstract
A hair dye composition comprising a component (A), which is a specified long-chain acyl sulfonic acid salt anionic surfactant, in an amount of 0.1 to 10.0 wt. %; a component (B), which is an aliphatic alcohol, in an amount of 0.25 to 25.0 wt. %; and a component (C), which is an acid dye and/or a natural dyestuff. The hair dye composition is stable even in a strongly acidic region (pH 1.5 to 4.5) where it exerts a dyeing effect. It has an appropriate viscosity and provides excellent sensation upon use. Furthermore, the composition can be easily rinsed off after use thereof.