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:
Jun. 24, 2014
Filed:
Nov. 05, 2009
Applicants:
Kazunari Akiyoshi, Bunkyo, JP;
Takashi Nakai, Gotenba, JP;
Tai Hirakura, Gotenba, JP;
Tsuyoshi Shimoboji, Gotenba, JP;
Inventors:
Kazunari Akiyoshi, Bunkyo, JP;
Takashi Nakai, Gotenba, JP;
Tai Hirakura, Gotenba, JP;
Tsuyoshi Shimoboji, Gotenba, JP;
Assignees:
National University Corporation Tokyo Medical and Dental University, Tokyo, JP;
Chugau Seiyaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/728 (2006.01); A61K 31/715 (2006.01); C07H 5/04 (2006.01); C07H 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a hydrophobic group-introduced hyaluronic acid derivative comprising at least one repeating unit represented by the formula (I): wherein R, R, R, R, Z, n, Ra, Y, and Xare as defined in the specification.