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:
May. 20, 2003
Filed:
Mar. 11, 2002
Osami Kajimoto, Osaka, JP;
Wakako Sakamoto, Tokyo, JP;
Wataru Odanaka, Tokyo, JP;
Kazuya Yoshida, Tokyo, JP;
Q.P. Corporation, Tokyo, JP;
Abstract
There are provided an oral skin improving agent that exhibits good skin improving effects when orally ingested, suppresses problems of discoloration and generation of unpleasant odor during storage, and has excellent storage stability; a food composition for improving skin containing this skin improving agent; and a skin improving method. The oral skin improving agent contains as a principal component refined hyaluronic acid having a purity of at least 90%, preferably at least 95%, and an average molecular weight in a range of 750,000 to 1,200,000, preferably 800,000 to 1,000,000. A person's skin can be improved by having the person ingest the oral skin improving agent such that the ingestion amount thereof is at least 5 mg per day.