Mealey's (September 1, 2016, 2:31 PM EDT) -- WASHINGTON, D.C. — E.I. du Pont de Nemours & Co. argues in an Aug. 5 response brief to the U.S. Supreme Court that the Federal Circuit U.S. Court of Appeals did not use a “rigid” standard as part of a determination that its thermal plates patent is not obvious (MacDermid Printing Solutions LLC v. E.I. DuPont De Nemours & Co., No. 15-1499, U.S. Sup.)....