ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,387, issued on April 29, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Process of making fluoroolefins by thermal decomposition of fluorinated ionomers" was invented by Arne Thaler (Emmerting, Germany), Achim Schmidt-Rodenkirchen (Bayreuth, Germany), Mark W. Muggli (Emmerting, Germany), Konstantin Mierdel (Bayreuth, Germany), Klaus Hintzer (Kastl, Germany), Thorsten Gerdes (Eckersdorf, Germany), Denis Duchesne (Woodbury, Minn.) and Gregg D. Dahlke (St. Paul, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The process produces a fluorinated olefin from a fluorinated copolymer having at least one of sulfonic acid groups, carboxy...