ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,796, issued on Oct. 14, was assigned to VALLI ZABBAN S.P.A (Calenzano, Italy).
"System for eliminating bad-smelling emissions from industrial processes" was invented by Eugenio Olmi (Prato, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process and related plant are used for treating a raw vent gas containing bitumen vapours released by equipment of a polymer-bitumen membranes production line, in which operations involve a filler powder, such mixing the filler powder with the bitumen, during which the filler powder is incorporated into the raw vent gas that is initially powder-free. The process includes first conveying the raw vent gas into ...