US Patent Issued to NOK on July 28 for "Fluororubber composition" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,330, issued on July 28, was assigned to NOK Corp. (Tokyo).

"Fluororubber composition" was invented by Takahiro Higuma (Kanagawa, Japan) and Hirokazu Maekawa (Kumamoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluororubber composition comprising 3 to 20 parts by weight of carbon fibers and 1 to 8 parts by weight of carbon nanotubes based on 100 parts by weight of fluororubber. The crosslinked molded article obtained from the fluororubber composition has excellent effects of not only imparting oil film retention, but also improving the material strength of fluororubber due to the combined use of carbon nanotubes, which have high reinforc...