US Patent Issued to Mitsubishi Gas Chemical on June 3 for "Filament and fishing line" (Japanese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,038, issued on June 3, was assigned to Mitsubishi Gas Chemical Co. Inc. (Tokyo).

"Filament and fishing line" was invented by Hatsuki Oguro (Hiratsuka, Japan), Nobuhiko Matsumoto (Hiratsuka, Japan) and Takafumi Oda (Hiratsuka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a filament having, after a water absorption treatment, a high maintenance rate of linear strength and a high maintenance rate of knot strength, and a fishing line. The filament contains a polyamide resin (A), and the polyamide resin (A) is constituted from a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid, and 70 mol...