US Patent Issued to NICHIAS on May 20 for "Perfluoroelastomer composition, cross-linked perfluoroelastomer and molded article" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,107, issued on May 20, was assigned to NICHIAS Corp. (Tokyo).

"Perfluoroelastomer composition, cross-linked perfluoroelastomer and molded article" was invented by Chisato Hasegawa (Tokyo) and Kojiro Otani (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition comprising a perfluoroelastomer, carbon black in an amount of 55 to 75 parts by weight per 100 parts by weight of the perfluoroelastomer, and a crosslinking agent represented by the following formula (1): wherein in the formula (1), A is a single bond, -O-, an alkylene group, or a fluoroalkylene group; R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl grou...