ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,538, issued on Dec. 30, was assigned to NOK Corp. (Japan).
"Flame-retardant rubber composition" was invented by Akihiro Suzuki (Kanagawa, Japan) and Makoto Noguchi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flame-retardant rubber composition is provided which is excellent in flame retardancy and rubber properties and reduces environmental load. The flame-retardant rubber composition comprises an ethylene/Alpha-olefin/non-conjugated diene copolymer, a hydrated metal oxide, a silane coupling agent, a plasticizer, and a cross-linking agent, wherein a carbon number of the Alpha-olefin of the ethylene/Alpha-olefin/non-conjugated di...