ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,340, issued on March 17, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).
"Storage stable two-component dual cure dental composition" was invented by Andrea Stippschild-Boxler (Landsberg, Germany), Christoph H. Thalacker (Weilheim, Germany) and Bernd Anich (Andechs, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a two-part dual cure dental composition with improved stability toward discoloration and premature polymerization. The dental composition comprises a Base Part and a Catalyst Part, the Base Part comprising polymerizable component(s) without an acidic moiety, optionally polymerizable ...