USPTO denies Gevo request to reexamine Butamax isobutanol patent

Biorefining Magazine
By Butamax Advanced Biofuels LLC November 28, 2011

Butamax Advanced Biofuels LLC commented on the U.S. Patent and Trademark Office’s reexamination decisions regarding two of the company’s foundational patents, Patent No. 7,851,188 (‘188), and Patent No. 7,993,889 (‘889).

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