US Patent Issued to ROHM AND HAAS on Feb. 10 for "Melt flow additive for polycarbonates and other engineering resins" (Pennsylvania Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,783, issued on Feb. 10, was assigned to ROHM AND HAAS COMPANY (Collegeville, Pa.).

"Melt flow additive for polycarbonates and other engineering resins" was invented by Hailan Guo (Warrington, Pa.) and Morris C. Wills (Philadelphia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a composition comprising a polycarbonate or engineering resin and a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 weight percent, and a crosslinker in an amount of 0.1 to 10 weight percent of a crosslinker, wherein weight percent is bas...