ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,330, issued on Sept. 23, 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) and Cyril Barriere (Andrezieux Boutheon, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a new water-soluble dialdehyde-functionalized polymer its preparation method and use, notably for application in the field of paper or cardboard manufacturing."

The patent was filed on June 23, 2023, under Application No. 18/873,218.

*For further information, including images, charts and tables, please ...