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:
Mar. 20, 2012
Filed:
Oct. 27, 2004
Applicants:
Eiichi Kitazono, Hino, JP;
Hiroaki Kaneko, Hino, JP;
Masaya Ito, Hino, JP;
Chiaki Fukutomi, Hino, JP;
Saki Tsuzuki, Musashino, JP;
Yoshihiko Sumi, Hino, JP;
Inventors:
Eiichi Kitazono, Hino, JP;
Hiroaki Kaneko, Hino, JP;
Masaya Ito, Hino, JP;
Chiaki Fukutomi, Hino, JP;
Saki Tsuzuki, Musashino, JP;
Yoshihiko Sumi, Hino, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 11/04 (2006.01); A61K 31/715 (2006.01); A61P 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hyaluronic acid compound which is a reaction product between hyaluronic acid and a phosphatidyl ethanolamine. This compound has biocompatibility and bio-safety, and can be formed into a hydrogel or molded form having a certain shape. Making use of these properties, it is used to treat a knee joint, prevent the accretion of a tissue after an operation and keep a skin wet.