ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,908, issued on Aug. 12, was assigned to PRIME POLYMER Co. LTD. (Tokyo).
"Multilayer polypropylene film for capacitor" was invented by Jun Birukawa (Ichihara, Japan), Satoshi Tamura (Sodegaura, Japan) and Hiroki Shimizu (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a film for a capacitor such that the film excels in high-temperature dielectric breakdown voltage (high-temperature BDV) and has blocking resistance, and bleeding-out of, for instance, a nucleating agent is suppressed even after long-term storage. The present invention pertains to a multilayer polypropylene film for a capacito...