ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,023, issued on Sept. 22, was assigned to KURARAY Co. LTD. (Okayama, Japan).
"Vinyl acetate, vinyl acetate polymer, and vinyl alcohol polymer" was invented by Yasutaka Inubushi (Tokyo), Keishi Hachiya (Okayama, Japan), Masaki Kato (Okayama, Japan), Yoshikazu Yamasaki (Okayama, Japan), Makoto Okamoto (Pasadena, Texas), Kazuyuki Somemiya (Niigata, Japan) and Takafumi Izawa (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "[Problem to be solved] To provide a traceable vinyl acetate, a polymer containing the vinyl acetate, and a vinyl alcohol polymer which is a saponified product of the polymer.[Solution] Vinyl acetate having a ratio of car...