US Patent Issued to ASAHI KASEI on Sept. 15 for "Polyphenylene ether, production method of the same, thermosetting composition, prepreg, and laminate" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,531, issued on Sept. 15, was assigned to ASAHI KASEI K.K. (Tokyo).

"Polyphenylene ether, production method of the same, thermosetting composition, prepreg, and laminate" was invented by Jaehoon Kim (Tokyo), Shinichi Fukuen (Tokyo) and Kazuto Nagata (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyphenylene ether includes a repeating unit derived from a phenol of the formula (1), a repeating unit derived from a phenol of the formula (2), and a structural unit derived from a phenol of the formula (3)."

The patent was filed on Dec. 15, 2021, under Application No. 18/548,536.

*For further information, including images, charts and tables, p...