ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,147, issued on June 17, was assigned to SNF GROUP (Andrezieux Boutheon, France).
"Polymer and its preparation method" was invented by Gatien Faucher (Andrezieux Boutheon, France), Damien Fougerouse (Andrezieux Boutheon, France), Bastien Martel (Andrezieux Boutheon, France) and Cyril Barriere (Andrezieux Boutheon, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a new polyvinylamine polymer, its preparation method and use, specifically for application in the field of paper manufacturing."
The patent was filed on June 23, 2023, under Application No. 18/873,206.
*For further information, including images, charts and tab...