Butamax and Gevo Enter into Global Patent Cross-License and Settlement Agreements to Accelerate Development of Markets for Bio-Based Isobutanol and End All Litigation WILMINGTON, Del., Aug. 24, 2015 (GLOBE NEWSWIRE) -- Gevo, Inc. and Butamax Advanced Biofuels, LLC, a joint venture between BP and DuPont, announced that they have entered into worldwide patent...