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:
Sep. 02, 2025
Filed:
Dec. 09, 2021
Applicant:
Mcmaster University, Hamilton, CA;
Inventors:
Assignee:
McMaster University, Hamilton, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 47/36 (2006.01); A61K 9/06 (2006.01); A61K 47/32 (2006.01); C08G 81/02 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
A61K 47/36 (2013.01); A61K 9/06 (2013.01); A61K 47/32 (2013.01); C08G 81/02 (2013.01); G02B 1/043 (2013.01);
Abstract
This application relates to a thermo-gel polymer system useful for ophthalmic drug delivery. The thermo-gel comprises a polymer and chitosan, and the polymer comprises monomers of N-isopropylacrylamide (NIPAAm), acrylic acid (AA) and at least one hydrophobic monomer.