PROCESSES FOR PRODUCING LIGNIN-BASED ENZYMATIC HYDROLYSIS ENHANCERS, AND COMPOSITIONS PRODUCED THEREFROM

USPTO Patent Application US 2018/0273695 A1
Application Date: Sep. 27th, 2018

ABSTRACT

This disclosure provides lignin-based enzymatic hydrolysis enhancer that includes ethanol-soluble, partially sulfonated lignin. Some embodiments provide a lignin-based enzymatic hydrolysis enhancer comprising AVAP® lignin. Certain embodiments provide a lignin-based enzymatic...
Application Number:
15/924,539
International Classification:
C08H 8/00 (20060101); C12P 19/02 (20060101); C12N 9/42 (20060101); C12P 19/14 (20060101); C08H 7/00 (20060101)
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CLAIMS

What is claimed is:

1. A process for producing a lignin-based enzymatic hydrolysis enhancer, said process comprising: (a) providing a lignocellulosic biomass feedstock;(b) fractionating said feedstock in the presence of a sulfur-containing acid, a solvent for lignin, and water, to generate cellulose-rich solids and a liquid containing hemicellulose and lignin;(c) recovering at least some of...

DESCRIPTION

PRIORITY DATA

This patent application is a continuation of U.S. patent application Ser. No. 14/951,033, filed Nov. 24, 2015, which claims priority to U.S. Provisional Patent App. No. 62/085,464, filed Nov. 28, 2014, each of which is hereby incorporated by reference herein.
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