US Patent Issued to U.S. Silica on Feb. 25 for "Reflective particulate compositions including a particulate mixture having improved hardness, methods of making the same, and methods for analyzing particulate mixture strength" (Maryland Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,362, issued on Feb. 25, was assigned to U.S. Silica Co. (Katy, Texas).

"Reflective particulate compositions including a particulate mixture having improved hardness, methods of making the same, and methods for analyzing particulate mixture strength" was invented by Ramanan Pitchumani (Hagerstown, Md.), William Wells (Hancock, Md.) and David Earl Weller Jr. (Greencastle, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reflective granular composition including a reflective pigment material including a majority of kaolin clay and a hardening additive including a sodium salt or another salt. A method for making a reflective granular composition inc...