US Patent Issued to SPECIALTY OPERATIONS FRANCE on Nov. 25 for "Process for fragmenting a polymer" (Chinese, French, German Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,968, issued on Nov. 25, was assigned to SPECIALTY OPERATIONS FRANCE (Lyons, France).

"Process for fragmenting a polymer" was invented by David James Wilson (Coye-la-Foret, France), Alexander Lerch (Gelnhausen, Germany), Fan Jiang (Yunnan, China), Bing Hong (Shanghai) and Stephane Streiff (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The instant invention concerns a process for fragmenting a polymer chain, comprising an oxidative degradation step wherein the polymer chain is contacted with a reduced form of a metal M and an oxidant such as dioxygen, and wherein the polymer carries covalently bound chemical groups acting as a ligand of said...