Gevo sues DuPont, Butamax for patent infringement
Bloomberg reports that Gevo Inc. sued DuPont Co. and its business partner Butamax Advanced Biofuels in federal court in Delaware [12-cv-70 ] alleging infringement of a new patent for alcohol fermentation processes.
On January 24, 2012, Gevo obtained US 8,101,808, with first claim:
A method to recover a C3-C6 alcohol from a fermentation broth comprising microorganisms and the C3-C6 alcohol, comprising: a. increasing the activity of the C3-C6 alcohol in a portion of the fermentation broth to at least that of saturation of the C3-C6 alcohol in the portion; b. forming a C3-C6 alcohol-rich liquid phase and a water-rich liquid phase from the portion of the fermentation broth; and c. separating the C3-C6 alcohol-rich phase from the water-rich phase.
One week earlier, on January 17, 2012, Gevo obtained US 8,097,440 .
On January 24, 2012, Gevo obtained US 8,101,808, with first claim:
A method to recover a C3-C6 alcohol from a fermentation broth comprising microorganisms and the C3-C6 alcohol, comprising: a. increasing the activity of the C3-C6 alcohol in a portion of the fermentation broth to at least that of saturation of the C3-C6 alcohol in the portion; b. forming a C3-C6 alcohol-rich liquid phase and a water-rich liquid phase from the portion of the fermentation broth; and c. separating the C3-C6 alcohol-rich phase from the water-rich phase.
One week earlier, on January 17, 2012, Gevo obtained US 8,097,440 .
posted by Lawrence B. Ebert at 7:13 AM
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