ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,907, issued on Nov. 11, was assigned to ZEON Corp. (Tokyo).
"Acrylic rubber composition and rubber crosslinked product" was invented by Fumiaki Bando (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acrylic rubber composition includes an acrylic rubber and a specific antioxidant, wherein the acrylic rubber includes 15 to 55% by weight of methacrylic acid alkyl ester monomer units (a), 44.5 to 84.5% by weight of acrylic acid ester monomer units (b), and 0.5 to 4% by weight of carboxyl group-containing monomer units (c), and the content of the antioxidant is 0.1 to 5 parts by weight relative to 100 parts by weight of the acrylic rubber."
The ...