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:
Dec. 20, 2011
Filed:
Dec. 26, 2007
Takayuki Omura, Yokohama, JP;
Susumu Yoshida, Yokohama, JP;
Yuko Nakanishi, Yokohama, JP;
Hiroyuki Kakoki, Yokohama, JP;
Takayuki Omura, Yokohama, JP;
Susumu Yoshida, Yokohama, JP;
Yuko Nakanishi, Yokohama, JP;
Hiroyuki Kakoki, Yokohama, JP;
Shiseido Company Ltd., Chuo-ku, Toyko, JP;
Abstract
The present invention provides a cosmetic having equal to or a higher antioxidant activity and moisture retaining property than the above-described conventional vitamin E derivatives. The cosmetic also has an excellent emulsifying ability and solubilizing ability and remarkably reduces a sticky feeling on the skin (in particular, the sticky feeling during drying after the application on the skin). That is, the cosmetic of the present invention containing a vitamin E derivative represented by the following formula (I) or a salt thereof. [In the formula, R, R, and Rrepresent a hydrogen atom or a methyl group; Rrepresents a Calkanoyl group, a Calkyl group, a SOH group, a P(O)(OH)group, a CHCOOH group or a COCHCH(SOH)COOH group; EO represents an ethylene oxide group; BO represents a butylene oxide group; k and n independently represent any one of numbers 0 to 30; and m represents any one of numbers 1 to 30.]