IHS Chemical Week

EnviroTech :: R&D

Gevo Files Additional Infringement Claims Against Butamax

10:50 AM MDT | July 31, 2012 | Rebecca Coons

Gevo (Englewood, CO) says it has been awarded an additional patent covering further improvements in the efficiency of biobased production of isobutanol. Gevo says it also filed lawsuits in the U.S. District Court, Eastern District of Texas, at Marshall, TX, charging infringement of the new patent by DuPont, BP, and their joint venture, Butamax Advanced Biofuels (Wilmington, DE). This move is the latest development in an 18-month patent dispute that has seen both sides file multiple lawsuits. The U.S. Patent and Trademark Office (USPTO) today awarded...

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