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. 24, 2015
Filed:
Apr. 30, 2008
Kazunari Akiyoshi, Bunkyo-ku, JP;
Nobuyuki Morimoto, Bunkyo-ku, JP;
Tai Hirakura, Gotenba, JP;
Tsuyoshi Shimoboji, Gotenba, JP;
Kazunari Akiyoshi, Bunkyo-ku, JP;
Nobuyuki Morimoto, Bunkyo-ku, JP;
Tai Hirakura, Gotenba, JP;
Tsuyoshi Shimoboji, Gotenba, JP;
National University Corporation Tokyo Medical and Dental University, Tokyo, JP;
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a composition comprising a hyaluronic acid derivative having a crosslinking group(s) and a hydrophilic polysaccharide derivative having a hydrophobic group(s), wherein the hyaluronic acid derivative having a crosslinking group(s) is prepared by crosslinkage formation reaction in hyaluronic acid or a derivative thereof having a crosslinkable group(s) in the presence of the hydrophilic polysaccharide derivative wherein the hydrophilic polysaccharide derivative may have a crosslinkable group(s).