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Treatment of biomass to obtain ethanol

United States Patent

August 16, 2011
View the Complete Patent at the US Patent & Trademark Office
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Ethanol was produced using biocatalysts that are able to ferment sugars derived from treated biomass. Sugars were obtained by pretreating biomass under conditions of high solids and low ammonia concentration, followed by saccharification.
Dunson, Jr.; James B. (Newark, DE), Elander; Richard T. (Evergreen, CO), Tucker, III; Melvin P. (Lakewood, CO), Hennessey; Susan Marie (Avondale, PA)
E. I. du Pont de Nemours and Company (Wilmington, DE), Alliance for Sustainable Energy LLC (Golden, CO)
11/ 402,573
April 12, 2006
STATEMENT OF GOVERNMENT RIGHTS This invention was made with United States government support under Contract No. 04-03-CA-70224 awarded by the Department of Energy. The government has certain rights in this invention.