ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,355, issued on Aug. 4, was assigned to KURARAY Co. LTD. (Kurashiki, Japan).
"Vinyl alcohol polymer, method for producing vinyl alcohol polymer, dispersant for suspension polymerization, dispersion aid for suspension polymerization, and method for producing vinyl polymer" was invented by Misuzu Fukuyama (Kurashiki, Japan) and Masaki Kato (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vinyl alcohol polymer including, in the same molecule or in different molecules, a carbonyl group, a formyl group, and an alkenyl group. A method for producing a vinyl alcohol polymer, including polymerizing a vinyl ester in a presence of an unsaturated aliphat...