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. 20, 2024
Filed:
Aug. 20, 2021
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 3/04 (2006.01); D21C 3/00 (2006.01); D21C 9/16 (2006.01);
U.S. Cl.
CPC ...
D21C 3/04 (2013.01); D21C 3/003 (2013.01); D21C 9/163 (2013.01);
Abstract
An aqueous composition comprising: sulfuric acid; a modifying agent comprising a carbonyl-containing nitrogenous base compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.