US Patent Issued to SHPP Global Technologies on March 17 for "Composites having improved microwave shielding properties" (American, Dutch Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,392, issued on March 17, was assigned to SHPP Global Technologies B.V. (Bergen op Zoom, Netherlands).

"Composites having improved microwave shielding properties" was invented by Norberto Silvi (Selkirk, N.Y.), Kristi Jean Narang (Selkirk, N.Y.), Martin Sas (Bergen op Zoom, Netherlands), Hochul Jung (Perry, Ohio) and Jiali Jiang (Conroe, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a composite comprising from about 50 wt. % to about 97 wt. % of a thermoplastic resin, wherein the thermoplastic resin comprises a polyester; and from about 3 wt. % to about 15 wt. % of a carbon-based filler, wherein the carbon-based filler has a prim...