ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,936, issued on April 15, was assigned to Kao Corp. (Tokyo).
"Binder resin compositions for toner" was invented by Kota Ijichi (Izumiotsu, Japan), Kunihiro Kano (Wakayama, Japan) and Nobumichi Kamiyoshi (Wakayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resin binder composition for toners, containing a polyester resin A that is a polycondensate of an alcohol component containing 80% by mol or more of an aliphatic diol having 2 or more carbon atoms and 6 or less carbon atoms and a carboxylic acid component containing an aromatic dicarboxylic acid compound and an amorphous acid modified product A of an Alpha-olefin polymer having 4 or mor...