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. 19, 2022
Filed:
May. 11, 2017
Applicant:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takashi Nakai, Gotemba, JP;
Teruo Nakamura, Gotemba, JP;
Sayan Chuanoi, Gotemba, JP;
Hideyuki Togawa, Gotemba, JP;
Tsuyoshi Shimoboji, Gotemba, JP;
Kazuo Hattori, Gotemba, JP;
Takashi Emura, Gotemba, JP;
Assignee:
CHUGAI SEIYAKU KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 37/44 (2006.01); A61K 31/575 (2006.01); A61K 39/00 (2006.01); A61K 47/36 (2006.01); A61K 47/61 (2017.01); A61K 9/00 (2006.01); C08L 5/08 (2006.01);
U.S. Cl.
CPC ...
A61K 47/61 (2017.08); A61K 9/006 (2013.01); A61K 31/575 (2013.01); A61K 47/36 (2013.01); C08L 5/08 (2013.01); A61K 9/0043 (2013.01); C08L 2201/06 (2013.01); C08L 2203/02 (2013.01);
Abstract
The present invention provides hyaluronic acid derivatives into which a certain cationic group and a certain hydrophobic group are introduced, the hyaluronic acid derivatives including one or more repeating units represented by the formula (Ia) and one or more repeating units represented by the formula (Ib).