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:
Jul. 01, 2008
Filed:
Jul. 25, 2003
Kyoko Miura, Odawara, JP;
Tetsuya Sayo, Odawara, JP;
Shingo Sakai, Odawara, JP;
Shintaro Inoue, Odawara, JP;
Kyoko Miura, Odawara, JP;
Tetsuya Sayo, Odawara, JP;
Shingo Sakai, Odawara, JP;
Shintaro Inoue, Odawara, JP;
Kao Corporation, Tokyo, JP;
Abstract
The present invention relates to An N-acetylglucosamine derivative represented by the following formula (1), and a hyaluronic acid production promoting agent containing the same and a skin external preparation containing the same: wherein Ris a hydrogen atom or an alkyl group having 2 to 18 carbon atoms; R, R, and Rare hydrogen atoms or acyl groups having 2 to 18 carbon atoms and may be all the same or different from others; the steric structure at position 1 may be α or β; provided that R, R, R, and Rmust not be all hydrogen atoms. It is intended to provide an easily available hyaluronic acid production promoting agent and a skin external preparation whereby the production of hyaluronic acid can be promoted in the skin and thus the skin can be maintained in a vital and moist state so that it is expected that the human skin can be prevented from age.