Mealey's (April 1, 2020, 4:29 PM EDT) -- ALEXANDRIA, Va. — In a March 31 final written decision, the Patent Trial and Appeal Board found that a system and method for blending butane into gasoline streams at any point along a petroleum pipeline is unpatentable (Magellan Midstream Partners LP v. Sunoco Partners Marketing & Terminals L.P., No. IPR2019-00025, PTAB)....