ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,330, issued on Dec. 16, was assigned to Hilti AG (Schaan, Liechtenstein).

"Use of reaction resin mixtures with predefined polarity for setting the robustness of a mortar composition and method for setting the robustness of a mortar composition" was invented by Memet-Emin Kumru (Augsburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-polar reaction resin mixture can be used to improve the adhesion of a mortar composition based on radically polymerizable compounds, in particular based on urethane (meth)acrylates, on the surface of semi-cleaned and/or damp boreholes in mineral substrates. The use of a non-polar reaction resin mixture in ...