ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,360, issued on June 24, was assigned to COVESTRO DEUTSCHLAND AG (Leverkusen, Germany).
"Two-component clear coat systems comprising polyaspartic acid ester" was invented by Dorota Greszta-Franz (Solingen, Germany), Jan Weikard (Leverkusen, Germany) and Holger Mundstock (Wermelskirchen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to two-component clear-coat systems comprising polyaspartic esters having primary amino groups and small amounts of dialkyl fumarates, to a process for the production thereof, and to the use thereof in the production of coatings for vehicle repair applications and to substrates coated...