US Patent Issued to Covestro Deutschland on Sept. 1 for "Hydrophilically modified polyisocyanates comprising silane and thioallophanate structures" (German Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,127, issued on Sept. 1, was assigned to Covestro Deutschland AG (Leverkusen, Germany).

"Hydrophilically modified polyisocyanates comprising silane and thioallophanate structures" was invented by Hans-Josef Laas (Odenthal, Germany), Thomas Fait (Cologne, Germany) and Joerg Buechner (Bergisch Gladbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrophilic polyisocyanate composition includes a polyisocyanate component A) and an emulsifier component B. The polyisocyanate component A) consists of at least one polyisocyanate, including silane and thioallophanate structures, of general formula (I), in which R1, R2 and R3 represent identical ...