Mealey's (July 20, 2018, 10:58 AM EDT) -- WASHINGTON, D.C. — The Patent Trial and Appeal Board did not err in deeming obvious various claims of two patents claiming a special compound for breaking down nitrogen oxide emissions, the Federal Circuit U.S. Court of Appeals ruled July 17 (BASF Corporation v. Andrei Iancu, Director of the U.S. Patent and Trademark Office, Nos. 2017-1425, -1426, -1427, -1428, Fed. Cir.)....