ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,940, issued on March 24, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).
"Membrane preconcentration of carbon dioxide from exhaust gas sources" was invented by Nitesh Bhuwania (Richmond, Calif.), Daniel Chinn (Danville, Calif.), Raja Ankush Jadhav (Benicia, Calif.) and Zihan Huang (Emeryville, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process of preconcentrating CO2 in an exhaust gas stream includes flowing all the exhaust gas stream from an exhaust gas source to a CO2 preconcentration system. Within the CO2 preconcentration system, at least a portion of the exhaust gas stream is fed to a membrane separation module comprising...