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LIGNIN-DEGRADING METHODS

United States Patent Application

20140335571
A1
View the Complete Application at the US Patent & Trademark Office
Disclosed herein are methods that involve degrading materials that include lignin. In one aspect, the method generally includes contacting a lignin sample with a lignin depolymerase and contacting the lignin sample with an auxiliary compound. In another aspect, the method generally includes contacting an auxiliary compound with a sample that includes uncleaved lignin macromolecules and at least partially cleaved lignin components in intermolecular association with other lignin components and/or at least a portion of the uncleaved lignin macromolecules. In both aspects, the auxiliary compound dissociates at least partially cleaved lignin components from one another and/or the uncleaved lignin macromolecules.
Chen-Sarkanen, Yi-ru (New Brighton, MN), Sarkanen, Simo (New Brighton, MN), Wang, Yun-Yan (St. Paul, MN)
14/ 364,448
December 12, 2012
GOVERNMENT FUNDING [0002] The present invention was made with government support under Grant No. XFT-8-88522-01, awarded by the Department of Energy (ORNL/NREL BioEnergy Science Center). The Government has certain rights in the invention.