US Patent Issued to Arkema France on Oct. 21 for "Multi(meth)acrylate-functionalized oligomers and methods of preparing and using such oligomers" (Pennsylvania Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,476, issued on Oct. 21, was assigned to Arkema France (Puteaux, France).

"Multi(meth)acrylate-functionalized oligomers and methods of preparing and using such oligomers" was invented by Ling Li (Exton, Pa.) and Yuhong He (Exton, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi(meth)acrylate-functionalized oligomer has a polyurethane backbone, a plurality of (meth)acrylate groups pendant to the polyurethane backbone, and one or more terminal (meth)acrylate groups. The oligomer contains a) at least one multi(meth)acrylate-functionalized segment having at least two pendant (meth)acrylate groups, b) urethane-containing segments, c) at least on...