ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,417, issued on May 27, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Method and system for producing fluororesin molded article" was invented by Hitoshi Imamura (Osaka, Japan), Eri Mukai (Osaka, Japan) and Masahiro Kondo (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a tube for a chemical solution pipe composed of a cleaned fluororesin molded article, the method including cleaning a tube-shaped fluororesin molded article with a chemical solution; and cleaning the tube-shaped fluororesin molded article with water. The cleaning with water is performed after the cleaning with a chemical solution, and the c...