ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,614, issued on Feb. 24, was assigned to AGC Inc. (Tokyo).
"Fluorinated copolymer composition and crosslinked rubber article" was invented by Tsuyoshi Kawai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a fluorinated copolymer composition whereby a crosslinked rubber article which has a low compression set at high temperature and which is not broken after compression can be formed, and a crosslinked rubber article. The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer (A) having units having a nitrile group and units based on tetrafluoroethylene, a fluorinated copolymer (B) having units ha...