ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,929, issued on March 4, was assigned to MITSUI CHEMICALS INC. (Tokyo).
"Photocurable composition, denture base, and plate denture" was invented by Toshikazu Sakamaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a photocurable composition for use in stereolithography, the photocurable composition including: a (meth)acrylic monomer (X) that is at least one selected from the group consisting of di(meth)acrylic monomers containing, within one molecule, two aromatic rings and two (meth)acryloyloxy groups, and that has a weight average molecular weight of from 400 to 580; a (meth)acrylic monomer (D) that is at least...