ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,107, issued on Sept. 1, was assigned to Knowlton Technologies LLC (Kingsport, Tenn.).
"High efficiency synthetic filter media" was invented by Richard Frank Barlow Jr. (Evans Mills, N.Y.) and Keh Dema (Johnson City, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is generally related to a high capacity, high efficiency nonwoven filtration media comprising a gradient pore structure. In particular, the filtration media can comprise thermoplastic synthetic microfibers, fibrillated fibers, staple fibers, and a binder. Furthermore, the filtration media may be produced without the use of glass fibers or microglass fibers. Conseq...