US Patent Issued to TRINSEO EUROPE on Nov. 18 for "Foams and method of forming foams of ionomers of copolymers of vinylidene aromatic monomer and unsaturated compounds with acid groups" (Belgian, Dutch Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,414, issued on Nov. 18, was assigned to TRINSEO EUROPE GMBH (Pfaeffikon, Switzerland).

"Foams and method of forming foams of ionomers of copolymers of vinylidene aromatic monomer and unsaturated compounds with acid groups" was invented by Claude T. E. Van Nuffel (Oostakker, Belgium), Abidin Balan (Breda, Netherlands) and Luc Bosiers (Edegem, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A foaming composition useful to make an extruded foam is comprised of comprising a plurality of chains of a copolymer of one or more vinylidene aromatic monomers and one or more unsaturated acids, the copolymer having about 0.01 to about 15.0 percent by weig...