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:
Apr. 26, 2022
Filed:
Nov. 09, 2018
Applicant:
Iogen Corporation, Ottawa, CA;
Inventors:
Assignee:
Iogen Corporation, Ottawa, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 7/10 (2006.01); C12P 19/02 (2006.01);
U.S. Cl.
CPC ...
C12P 7/10 (2013.01); C12P 19/02 (2013.01); C12P 2201/00 (2013.01); C12P 2203/00 (2013.01);
Abstract
A process for converting lignocellulosic biomass to glucose or ethanol includes subjecting the lignocellulosic biomass to a lignosulfonic acid pretreatment, wherein the lignosulfonic acid has a concentration of sulfonate groups in acid form that is greater than 0.02 mol/L and a total amount of sulfur dioxide is greater than 15 wt % based on dry weight of lignocellulosic biomass.