US Patent Issued to ECKART on March 24 for "Solvochromic effect pigments, method of production and use thereof" (German Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,022, issued on March 24, was assigned to ECKART GmbH (Germany).

"Solvochromic effect pigments, method of production and use thereof" was invented by Michael Gruner (Auerbach, Germany), Gunter Kaupp (Neuhaus, Germany) and Miriam Malz (Erbendorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to effect pigments with solvochromic properties. These effect pigments have a structure comprising a substrate in platelet form and a coating applied to the substrate, wherein the coating comprises: optionally a layer (1) comprising or consisting of at least one of tin oxide, tin hydroxide and/or tin oxide hydrate, a lay...