ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,966, issued on July 14, was assigned to ROHM AND HAAS COMPANY (Collegeville, Pa.).

"Performance and processing of polyvinyl butyral (PVB)/acrylic composites" was invented by Manoj Nerkar (Royersford, Pa.) and Hailan Guo (Warrington, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition and a method for preparing a polymer composite article. The composition comprises (A) a polyvinyl butyral (PVB) polymer in an amount of from 10 to 90 wt. %. The composition also comprises (B) a filler in an amount of from 10 to 90 wt. %. Further, the composition comprises (C) an acrylic polymer additive in an amount of from greater than 0 to 10 wt. %, the a...