The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2014
Filed:
May. 30, 2012
Christer Hallberg, Vancouver, CA;
Donald O'connor, Delta, CA;
Michael Rushton, West Vancouver, CA;
Edward Kendall Pye, Philadelphia, PA (US);
Gordon Gjennstad, Burnaby, CA;
Alex Berlin, Burnaby, CA;
John Ross Mclachlan, Burnaby, CA;
Raymond MA, Burnaby, CA;
Christer Hallberg, Vancouver, CA;
Donald O'Connor, Delta, CA;
Michael Rushton, West Vancouver, CA;
Edward Kendall Pye, Philadelphia, PA (US);
Gordon Gjennstad, Burnaby, CA;
Alex Berlin, Burnaby, CA;
John Ross McLachlan, Burnaby, CA;
Raymond Ma, Burnaby, CA;
Lignol Innovations Ltd., Burnaby, British Columbia, CA;
Abstract
A modular process for organosolv fractionation of lignocellulosic feedstocks into component parts and further processing of said component parts into one or more of a de-lignified cellulose stream, a sugar stream, small-chain alcohol streams and four structurally distinct classes of lignin derivatives. The modular process comprises a first processing module configured for digesting lignocellulosic feedstocks with an organic solvent thereby producing a cellulosic solids fraction and a liquid fraction, a second processing module configured for recovering small-chain alcohols and optionally a first class of lignin derivatives from the cellulosic solids fraction, a third processing module configured for recovering from the liquid fraction at least one of a second class and a third class of lignin derivatives or mixtures thereof, and waste stream comprising a fourth class of lignin derivatives. The fourth processing module may optionally recover the fourth class of lignin derivatives.