US Patent Issued to The Governing Council of the University of Toronto on Sept. 23 for "Sustained release local anesthetic hydrogel composition" (Canadian Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,878, issued on Sept. 23, was assigned to The Governing Council of the University of Toronto (Toronto).

"Sustained release local anesthetic hydrogel composition" was invented by Molly Shoichet (York, Canada), Michael J. Cooke (Toronto) and Sonja Ing (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bioresorbable, sustained release pharmaceutical composition comprising: 1.8 wt % to 3.0 wt % methylcellulose and 0.1 wt % to 3.0 wt % hyaluronan in the form of a gel polymer matrix, and at least one local anesthetic agent, suitably ropivacaine, which may be administered by injection."

The patent was filed on May 18, 2020, under Application No. 17...