ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,143, issued on May 20, was assigned to W.R. GRACE & Co.-CONN. (Columbia, Md.).

"Using silica-zirconia catalysts in processes to reduce glycidol, glycidyl esters, or both glycidol and glycidyl esters" was invented by Demetrius Michos (Clarksville, Md.), Chelsea L. Grimes (Stoney Beach, Md.), Cristian Libanati (Silver Spring, Md.) and Ignazio Catucci (Busto Garolfo, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of using silica-zirconia catalysts in processes to reduce an amount of glycidol, glycidyl ester(s), or both glycidol and glycidyl ester(s) from a triglyceride-containing composition, such as edible oils, are disclosed. Silica-zir...