US Patent Issued to KURARAY on Sept. 22 for "Liquid crystal polyester fibers and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,261, issued on Sept. 22, was assigned to KURARAY Co. LTD. (Kurashiki, Japan).

"Liquid crystal polyester fibers and method for producing same" was invented by Keiichi Ikehata (Kurashiki, Japan), Hideki Kamada (Kurashiki, Japan), Hideharu Iwasaki (Osaka, Japan) and Kazuhisa Nakayama (Kurashiki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid crystal polyester fiber having good mechanical properties and excellent heat aging resistance is obtained by a heat treatment at a low temperature for a short time. The liquid crystal polyester fiber includes one or more metallic elements from Group 8 to Group 11 elements in the Periodic Table. The ...