US Patent Issued to SIKA TECHNOLOGY on March 4 for "Thixotropic agent for curable compositions" (Swiss Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,960, issued on March 4, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"Thixotropic agent for curable compositions" was invented by Andreas Kramer (Zurich, Switzerland), Urs Burckhardt (Zurich, Switzerland), Michael Schlumpf (Stallikon, Switzerland) and Martin Konstanzer (Aarau, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thixotropic agent for increasing the yield point of a curable composition, wherein the thixotropic agent includes (i) at least one urea compound from the reaction of at least one isocyanate with at least one amine and (ii) at least one polyether having blocked hydroxyl groups. The thixotropic agent is prep...