ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,745, issued on July 21, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Amine-modified polymer, a controlled free radical polymerization for preparing the same and implementations thereof" was invented by Huiguang Kou (Ludwigshafen am Rhein, Germany), Steffen Onclin (Ludwigshafen am Rhein, Germany), Andreas Gernandt (Ludwigshafen am Rhein, Germany), Johannes Hermann Willenbacher (Ludwigshafen am Rhein, Germany) and Clemens Auschra (Ludwigshafen am Rhein, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The presently claimed invention relates to an amine-modified polymer and method for preparation thereof. The presently claimed inven...