ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,011, issued on June 2, was assigned to TOKUYAMA DENTAL Corp. (Tokyo).

"Photocurable resin composition for three-dimensional photofabrication" was invented by Eibu Sakata (Tokyo) and Kei Nakashima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a photocurable resin composition used for producing a three-dimensional formed article by a liquid tank photopolymerization method, the photocurable resin composition containing (A) a radically polymerizable monomer, (B) an inorganic filler, (C) a photopolymerization initiator, (D) an activated light absorbent, (E) a polymerization inhibitor, and (F) a chain transfer agent, wherein: at least 9...