ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,318, issued on May 13, was assigned to Canon K.K. (Tokyo).
"Curable resin composition" was invented by Kyohei Wada (Kawasaki, Japan), Chiaki Nishiura (Tokyo) and Ryo Ogawa (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A curable resin composition includes (A) a specific curable resin and (C) a curing agent, and further includes (BI) 0.1 parts by mass or more and 20 parts by mass or less of a polyhydric alcohol having 2 to 5 hydroxyl groups, based on based on 100 parts by mass of the curable resin (A); (BII) a cyclic compound having 3 to 6 reactive groups and a reactive group equivalent of 100 g/eq or more and 300 g/eq or less; or (B...