ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,599, issued on Oct. 14, was assigned to PRAMAND LLC (Bedford, Mass.).
"Water activated hydrogel-based medical patches, and methods of making and using such patches" was invented by Michael Bassett (Hampton, N.H.) and David Giusti (North Reading, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medical patch can comprise a biocompatible substrate and a dry hydrogel precursor layer on the substrate, the dry hydrogel precursor layer comprising an electrophilic-hydrogel precursor having a plurality of electrophilic functional groups and a nucleophilic-hydrogel precursor having a plurality of protonated amine groups and no more than about 2 weight ...