US Patent Issued to TOKUYAMA DENTAL on May 26 for "Method of producing polyurethane-based composite material, polyurethane-based composite material, and material for dental cutting work" (Japanese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,234, issued on May 26, was assigned to TOKUYAMA DENTAL Corp. (Japan).

"Method of producing polyurethane-based composite material, polyurethane-based composite material, and material for dental cutting work" was invented by Takamasa Yamaguchi (Tokyo) and Takuya Suzuki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a polyurethane-based composite material includes a step of performing a polyaddition reaction in a first composition containing a radically polymerizable monomer (B) free from causing a polyaddition reaction with any of a radically polymerizable diol compound (a1) and a diisocyanate compound (a2), to thereby form...