Chemistry: natural resins or derivatives; peptides or proteins; – Lignins or derivatives – Compound which includes phenolic hydroxy or oxygen...
Reexamination Certificate
2011-07-26
2011-07-26
Wu, David W (Department: 1762)
Chemistry: natural resins or derivatives; peptides or proteins;
Lignins or derivatives
Compound which includes phenolic hydroxy or oxygen...
Reexamination Certificate
active
07985847
ABSTRACT:
In one aspect, a process for treating woody plant material is provided, the process involving contacting the plant material with a continuous flow of an aqueous ethanol solution at elevated temperature and pressure under conditions that promote extraction of ethanol-soluble lignin from the plant material and retention of hemicellulose sugars, xylose and cellulose in the treated plant material solids. In another aspect, a process for extracting hemicellulose sugars from lignin-depleted plant material solids is provided, the process involving contacting lignin-depleted plant material with water at elevated temperature and pressure under conditions that promote extraction of hemicellulose sugars from the plant material; and recovering hemicellulose sugars from the liquid mixture.
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Peng, Claudio A.,“Bioref
Belanger Helene
Elton Clare
Lough Tony James
Prestidge Ross L.
Watson James D.
BioJoule Ltd.
Sleath Janet
Speckman Ann W.
Speckman Law Group PLLC
Wright Sonya
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