US Patent Issued to DIC on Oct. 20 for "Crosslinked polyarylene sulfide, composition, and method for producing molded article" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,763, issued on Oct. 20, was assigned to DIC Corp. (Tokyo).

"Crosslinked polyarylene sulfide, composition, and method for producing molded article" was invented by Chikara Funahashi (Ichihara, Japan), Hideki Watanabe (Ichihara, Japan) and Takashi Furusawa (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a crosslinked polyarylene sulfide resin (PAS resin) that reduces a difference in melt viscosity among lots and has excellent quality stability is provided. Further specifically, the method includes steps of compression-molding an uncrosslinked PAS resin in a powder form to obtain a compression-molded material, mea...