US Patent Issued to The University of Tokyo on Feb. 18 for "Polymer gel having sponge-like porous structure" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,642, issued on Feb. 18, was assigned to The University of Tokyo (Tokyo).

"Polymer gel having sponge-like porous structure" was invented by Takamasa Sakai (Tokyo) and Yuichi Tei (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a gel material including a solvophilic polymer having a micro metre-scale porous structure.A polymer gel in which solvophilic polymer units are cross-linked with each other, wherein the polymer gel contains a solvent and has a three-dimensional network structure having two regions: a first region in which the polymer units are densely present and a second region in which the...