US Patent Issued to Specialty Granules Investments on May 12 for "Coated roofing granules, roofing materials made therefrom and methods of preparing coated roofing granules" (North Carolina, Pennsylvania Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,550, issued on May 12, was assigned to Specialty Granules Investments LLC (Parsippany, N.J.).

"Coated roofing granules, roofing materials made therefrom and methods of preparing coated roofing granules" was invented by David D. Kragten (Burnsville, N.C.) and Daniel E. Rardon (Greencastle, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to coated roofing granules, roofing materials made therefrom, and methods of preparing such coated roofing granules. By coating roofing granules with an aqueous coating that includes water, a silicon-containing oligomer or polymer, and an acrylic resin, coated roofing granules can be prepared ...