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:
Oct. 08, 2013
Filed:
Oct. 12, 2007
Hirobumi Aoki, Chiba, JP;
Yohei Kurata, Kawasaki, JP;
Harumi Kamachi, Chiba, JP;
Hirotsugu Nakanishi, Chiba, JP;
Hirobumi Aoki, Chiba, JP;
Yohei Kurata, Kawasaki, JP;
Harumi Kamachi, Chiba, JP;
Hirotsugu Nakanishi, Chiba, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A skin agent for external use and a cosmetic agent are provided, by transdermal administration of which expected actions and effects of ubiquinone derivatives, salts thereof, ubiquinones and ubiquinols are effectively obtained. The skin agent for external use includes a ubiquinone derivative or a salt thereof as an active ingredient. The ubiquinone derivative is represented by the formula (1): wherein Rand Rare each a hydrogen atom or a phosphoric group, at least one of Rand Ris a phosphoric group, and n is an integer in the range of 1 to 9.