US Patent Issued to INEOS STYROLUTION GROUP on Feb. 10 for "Styrenic copolymer composition with PMMA and improved weathering resistance" (German Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,779, issued on Feb. 10, was assigned to INEOS STYROLUTION GROUP GMBH (Frankfurt, Germany).

"Styrenic copolymer composition with PMMA and improved weathering resistance" was invented by Christian Ruthard (Mainz, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a thermoplastic molding composition (P) comprising: (A) thermoplastic polymer composition (A) comprising: (A-1) 10 to 50 wt.-% of graft copolymer (A-1), (A-2) 1 to 50 wt.-%, of thermoplastic polymer matrix (A-2) based on one or more vinylaromatic copolymers, (A-3) 20 to 50 wt.-%, of polymerized alkyl methacrylate component (A-3), and (A-4) 0 to 45 wt.-% of comonom...