ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,349, issued on Sept. 23, was assigned to ASAHI KASEI K.K. (Tokyo).

"Polyphenylene ether composition" was invented by Jaehoon Kim (Tokyo), Shinichi Fukuen (Tokyo), Hiroshi Fukuoka (Tokyo), Shoji Otani (Tokyo), Ryoko Fukuoka (Tokyo) and Noko Honda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a polyphenylene ether composition having a high glass transition temperature and a long-term solubility in a solvent, and exhibiting a low viscosity when being dissolved in a solvent. The polyphenylene ether composition of the present disclosure contains 60 mol % or more of a polyphenylene ether having the structure of For...