ALEXANDRIA, Va., Sept. 18 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (No. 11,118,274, initially filed Jan. 13, 2020) developed by five co-inventors for an "ionic polymer membrane for a carbon dioxide electrolyzer." The co-inventors are Tyler S. Matthews, Apple Valley, Minnesota, Steven J. Hamrock, Stillwater, Minnesota, Marina M. Kaplun, Woodbury, Minnesota, Krzysztof A. Lewinski, Mahtomedi, Minnesota, and Sean M. Luopa, Minneapolis, Minnesota.

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