US Patent Issued to MITSUI CHEMICALS on March 3 for "Photocurable composition, cured product, and dental product" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,555, issued on March 3, was assigned to MITSUI CHEMICALS INC. (Tokyo).

"Photocurable composition, cured product, and dental product" was invented by Toshikazu Sakamaki (Tokyo), Hirohisa Shiode (Yokohama, Japan) and Mai Kimura (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photo-curable composition including a di-(meth)acrylic monomer (A) having two (meth)acryloyloxy groups and two urethane bonds, an acrylic monomer (B) having one acryloyl group, and a photopolymerization initiator, as well as a cured product of the photo-curable composition, and a dental product including the cured product."

The patent was filed on March 30, 202...