US Patent Issued to TOYOTA JIDOSHA, FUKUOKA INSTITUTE OF TECHNOLOGY on May 12 for "Manufacturing method of porous medium of olefin-based resin, manufacturing method of separator for battery, and manufacturing apparatus" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,000, issued on May 12, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and FUKUOKA INSTITUTE OF TECHNOLOGY (Fukuoka, Japan).

"Manufacturing method of porous medium of olefin-based resin, manufacturing method of separator for battery, and manufacturing apparatus" was invented by Kohei Matsunobu (Toyota, Japan) and Kiyoshi Matsuyama (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polymer solution is created by mixing an olefin-based resin and a solvent in a pressure vessel. A high-pressure fluid of carbon dioxide is created. Temperature of the high-pressure fluid is adjusted. A mixed fluid is created by mixing the high-pressure flu...