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Gevo Seeks Injunction Against Butamax

10:29 AM MDT | August 6, 2012 | Kara Sissell

Gevo (Englewood, CO) says it has filed for a preliminary injunction against Butamax Advanced Biofuels (Wilmington, DE) and DuPont “to immediately stop ongoing infringement by Butamax and DuPont” of a Gevo patent covering biobased isobutanol. The filing is the latest in an 18-month patent dispute that has seen both sides file multiple lawsuits. Butamax is a joint venture between DuPont and BP. At issue is Gevo’s production process using isobutanol-producing yeast, filed under U.S. Patent No. 8,133,715, known as the 715 Patent. Gevo's request for...

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