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:
Oct. 10, 2023
Filed:
Oct. 25, 2021
Applicant:
Seikagaku Corporation, Tokyo, JP;
Inventors:
Masamichi Yamada, Tokyo, JP;
Chiyo Sakenaga, Tokyo, JP;
Keiichiro Arai, Tokyo, JP;
Kazutaka Yamamoto, Tokyo, JP;
Assignee:
SEIKAGAKU CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/728 (2006.01); A61K 9/08 (2006.01); A61P 27/04 (2006.01); A61P 27/02 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
A61K 31/728 (2013.01); A61K 9/0048 (2013.01); A61K 9/08 (2013.01); A61P 27/02 (2018.01); A61P 27/04 (2018.01);
Abstract
Provided is an agent for improving human ocular subjective symptoms containing hyaluronic acid having an aminoalkyl cinnamate covalently bonded thereto.