Gevo Files Additional Patent Claims Against Butamax

Gevo (Englewood, CO) has filed two additional patent infringement suits against isobutanol rival Butamax Advanced Biofuels (Wilmington, DE) alleging that Butamax infringes newly issued patents describing the elimination of pathways in yeast that yield products other than isobutanol. “Our patented yeast is encouraged to produce greater yields of isobutanol,” says Brett Lund, executive v.p. and general counsel of Gevo. “Our scientists proved that by successfully eliminating unwanted, competing enzymatic pathways, we could redesign an isobutanol-producing...

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