ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,214, issued on June 17, was assigned to Covestro Intellectual Property GmbH & Co. KG (Leverkusen, Germany).
"Resistant 2K-PUR coatings" was invented by Hans-Josef Laas (Odenthal, Germany), Tanja Hebestreit (Wipperfurth, Germany) and Yvonne Reimann (Frechen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to coating agents containing A) at least one polyol component, B) at least one crosslinking component which is obtained by reacting at least one polyisocyanate with at least one amino functional alkoxy silane and which comprises free and/or blocked isocyanate groups, optionally (C) at least one catalyst for crosslinking ...