ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,476, issued on Dec. 16, was assigned to GC Corp. (Shizuoka, Japan).
"Antibacterial polymer particles, composition, and article" was invented by Makoto Takahashi (Tokyo), Tomoki Kono (Tokyo), Azusa Miyagawa (Tokyo) and Yuri Fukuyo (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present invention includes, in antibacterial polymer particles, a crosslinked copolymer having a structural unit derived from a monofunctional monomer having an antibacterial group, and a structural unit derived from a polyfunctional monomer. A water absorption capacity of the antibacterial polymer particles is 3 g/g or more."
The patent was filed on J...