US Patent Issued to Mitsubishi Chemical on March 18 for "Electrophotographic photoreceptor, production method therefor, electrophotographic photoreceptor cartridge, and image forming apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,823, issued on March 18, was assigned to Mitsubishi Chemical Corp. (Tokyo).

"Electrophotographic photoreceptor, production method therefor, electrophotographic photoreceptor cartridge, and image forming apparatus" was invented by Akira Ando (Tokyo) and Atsushi Yoshizawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an electrophotographic photoreceptor having a plurality of layers containing at least one outermost layer, wherein at least one of the outermost layer contains a polymer having a first structure where at least one carbonyl group is bonded to an aromatic group and a second structure represented by ...