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:
Sep. 01, 2026
Filed:
Jun. 10, 2021
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/05 (2017.01); C08H 7/00 (2011.01);
U.S. Cl.
CPC ...
C01B 32/05 (2017.08); C08H 6/00 (2013.01); C01P 2006/11 (2013.01); C01P 2006/62 (2013.01);
Abstract
The present invention is directed to production of granular carbon, prepared from lignin. The process comprises the steps of providing agglomerated lignin, heating the agglomerated lignin to obtain thermally stabilized lignin and subjecting the thermally stabilized agglomerated lignin to heat treatment to obtain granular carbon.