ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,456, issued on May 6, was assigned to Pallidus Inc. (Albany, N.Y.).

"High purity SiOC and SiC, methods compositions and applications" was invented by Douglas M. Dukes (Troy, N.Y.), Ashish P. Diwanji (New Albany, N.Y.), Andrew R. Hopkins (Sylvania, Ohio), Walter J. Sherwood (Glenville, N.Y.), Mark S. Land (Houston), Glenn Sandgren (Boston) and Brian L. Benac (Hadley, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and ar...