US Patent Issued to ARKEMA FRANCE on June 2 for "Composition comprising a multistage polymer and a (meth)acrylic polymer, its method of preparation and its use" (French Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,965, issued on June 2, was assigned to ARKEMA FRANCE (Puteaux, France).

"Composition comprising a multistage polymer and a (meth)acrylic polymer, its method of preparation and its use" was invented by Aline Couffin (Lacq, France), Philippe Hajji (Pierre-Benite Cedex, France), Alexandre Vermogen (Pierre-Benite Cedex, France), Elisabeth Bay (Lacq, France), Jean-Claude Saint-Martin (Lacq, France) and Vinciane Chartois (Pierre-Benite Cedex, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition comprising a multistage polymer and a (meth)acrylic polymer in form of a porous polymer powder, its process of prepa...