ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,303, issued on Oct. 21, was assigned to Planetary Technologies Inc. (Gatineau, Canada).

"Method for sequestration of carbon dioxide using a body of water and a suspended platform therefor" was invented by Gregory Hudson Rau (Castro Valley, Calif.), Carl Poirier (Dartmouth, Canada), William James Burt (Halifax, Canada), Michael John Kelland (Ottawa) and Victoria Donnelly (Stittsville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A platform for sequestering carbon dioxide using a body of water is described. The platform has a vessel for holding solid metal hydroxide and for exposing the solid metal hydroxide to a flow of water to create a sol...