US Patent Issued to McMaster University on Sept. 2 for "Polymer system for ophthalmic drug delivery" (Canadian Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,197, issued on Sept. 2, was assigned to McMaster University (Hamilton, Canada).

"Polymer system for ophthalmic drug delivery" was invented by Heather Sheardown (Hamilton, Canada), Mitchell Ross (Hamilton, Canada) and Talena Rambarran (Hamilton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "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."

The patent was filed on Dec. 9, 2021, under Application No. 17/546,645.

*For further in...