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:
Jan. 26, 2021
Filed:
Jun. 09, 2016
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Jari Kavakka, Stockholm, SE;
Mari Granstrom, Stockholm, SE;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); C08H 8/00 (2010.01); C13K 13/00 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0057 (2013.01); C08B 37/0003 (2013.01); C08H 8/00 (2013.01); C13K 13/002 (2013.01);
Abstract
Methods for producing refined xylan from a biomass solution, including: (i) providing a biomass solution, which comprises xylan; (ii) concentrating or separating said biomass solution to obtain a xylan concentrate comprising xylan and impurities; (iii) washing and/or extracting the xylan concentrate with a solvent to obtain refined xylan and a solvent stream comprising the solvent and impurities; and (iv) collecting the refined xylan.