ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,055, issued on March 31, was assigned to Dentsply Sirona Inc. (York, Pa.).
"Dental composition" was invented by Joachim E. Klee (Radolfzell, Germany), Florian Szillat (Neukirchen-Vlyun, Germany), Jacques Lalevee (Mulhouse, France), Julie Kirschner (Dambach-la-Ville, France) and Fabrice Morlet-Savary (Pfastatt, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is related to a dental composition comprising: (a) at least one polymerizable monomer having at least one ethylenically unsaturated group; (b) a radical initiator system comprising (i) a photosensitizer having an absorption maximum ranging from 400 nm to 800 nm; (ii) ...