ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,052, issued on March 25, was assigned to SUMITOMO ELECTRIC FINE POLYMER INC. (Osaka, Japan).
"Valve member" was invented by Masato Baba (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The valve member according to one embodiment of the present disclosure is a resin formed product having a crosslinked ethylene-tetrafluoroethylene copolymer as a main component, and having a crosslinking density of 85.0 mol/m3 or more calculated from a storage modulus at 300deg C."
The patent was filed on March 16, 2021, under Application No. 18/009,730.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/...