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:
Aug. 05, 2025
Filed:
May. 22, 2024
Applicant:
Sixring Inc., Calgary, CA;
Inventors:
Clay Purdy, Medicine Hat, CA;
Markus Weissenberger, Calgary, CA;
Markus Pagels, Calgary, CA;
Kyle G Wynnyk, Calgary, CA;
Assignee:
SIXRING INC., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 3/00 (2006.01); D21C 1/02 (2006.01); D21C 1/04 (2006.01); D21C 3/04 (2006.01); D21C 3/20 (2006.01); D21C 3/22 (2006.01); D21C 9/16 (2006.01);
U.S. Cl.
CPC ...
D21C 3/003 (2013.01); D21C 1/04 (2013.01); D21C 3/04 (2013.01); D21C 9/16 (2013.01);
Abstract
A one-pot processes to separate lignin from a lignocellulosic feedstock include providing a vessel; providing a lignocellulosic feedstock; providing a composition comprising an acid, a modifying agent comprising a heterocyclic compound, and a peroxide; and exposing the lignocellulosic feedstock to the composition in the vessel for a period of time sufficient to remove at least 80% of the lignin present in the lignocellulosic feedstock.