IHS Chemical Week

EnviroTech :: Innovation

Appeals court rules against Butamax in isobutanol patent dispute

10:26 AM MST | November 20, 2012 | Kara Sissell

Gevo (Englewood, CO), a maker of biobased isobutanol, says a recent appeals court decision supports Gevo’s position in a patent dispute with rival Butamax Advanced Biofuels (Wilmington, DE). Butamax had sought an injunction restricting commercial activity on the grounds that Gevo’s infringes on Butamax patent ‘889. The US District Court for the District of Delaware last June ruled that Butamax’s request for an injunction on Gevo’s commercial activity did not demonstrate Gevo’s patent infringes on Butamax’s patent. The US...

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