Gevo gets patent new isobutanol-producing method

Gevo gets patent for new isobutanol-producing method

5:44 AM, 18th April 2012
Gevo gets patent for new isobutanol-producing method
Brett Lund, Executive Vice President, General Counsel, Gevo.

ENGLEWOOD, US: Gevo announced the award of its eighth US patent in only eight months. The US Patent and Trademark Office granted Gevo US Patent No 8,158,404 ('404 Patent) for the elimination of another key enzyme pathway in its isobutanol-producing yeast. This is one of three related patents covering technology which block unwanted enzymatic pathways that hijack carbohydrates in yeast.

Gevo also announced that it is filing an infringement case against Butamax Advanced Biofuels, LLC and its affiliate EI du Pont de Nemours and Company for its unlawful use of the '404 Patent. “The naturally occurring pathway in yeast doesn’t produce commercially viable amounts of isobutanol. Realizing this pathway had been metabolically engineered many times, yet failed to produce isobutanol at meaningful yields, we modified the pathway to increase its efficiency and eliminated side reactions. Metabolically engineering yeast is difficult because yeast are complex organisms,” said Brett Lund, Executive Vice President, General Counsel, Gevo.

“As an innovative technology company, it is our fiduciary responsibility to exclude others from using our patented technology for their own purposes without Gevo’s consent. We realize that Butamax has repeatedly stated that they don’t need or use our technology to produce commercial yields of biobutanol, but this is contrary to the information they have publicly disclosed in their own patent applications,” said Lund.

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