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Gevo Files Additional Patent Infringement Charges Against Butamax

5:30 PM MST | January 25, 2012 | Rebecca Coons

Isobutanol maker Gevo (Englewood, CO) says it has been granted patents covering separation technology used in the production of isobutanol and filed patent infringement suits against Butamax Advanced Biofuels (Wilmington, DE), an isobutanol jv between DuPont and BP. The move is the latest in an ongoing patent fray between Gevo and Butamax. The patent in question covers Gevo's GIFT technology, which extracts isobutanol from the fermentation broth, keeping the organisms from being...

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