ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,542, issued on Sept. 30, was assigned to SEKISUI CHEMICAL Co. Ltd. (Osaka, Japan).

"Chlorinated vinyl chloride resin composition and chlorinated vinyl chloride resin molded body" was invented by Kenichi Matsumura (Yamaguchi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a chlorinated polyvinyl chloride resin composition capable of providing a molded article that is excellent in discoloration resistance and corrosion resistance and is not likely to cause environmental pollution as the amount of metal leached therefrom is small, and a chlorinated polyvinyl chloride resin molded article. The present invention rela...