US Patent Issued to W.R. Grace & Co.-Conn. on Oct. 21 for "Silica-based matting agents and methods of making and using the same" (Maryland Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,528, issued on Oct. 21, was assigned to W.R. Grace & Co.-Conn. (Columbia, Md.).

"Silica-based matting agents and methods of making and using the same" was invented by Feng Gu (Ellicott City, Md.) and James Neil Pryor (West Friendship, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improved silica-based matting agents are disclosed. The matting agents are useful in waterborne coatings composition to provide exceptional properties to a wood based substrate. Films resulting from the silica-based matting agents on a wood substrate unexpectedly provide improved chemical resistance and/or film clarity to the surface of the wood substrate. Methods of m...