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. 05, 2022
Filed:
Dec. 06, 2019
Applicant:
Nextleaf Solutions Ltd., Coquitlam, CA;
Inventors:
David Michael Novitski, Burnaby, CA;
Xuan Jia, Burnaby, CA;
Assignee:
Nextleaf Solutions Ltd., Coquitlam, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/324 (2017.01); B01J 20/20 (2006.01); C01B 32/336 (2017.01); C07D 311/78 (2006.01);
U.S. Cl.
CPC ...
C01B 32/324 (2017.08); B01J 20/20 (2013.01); C01B 32/336 (2017.08); C07D 311/78 (2013.01);
Abstract
Spent cannabis biomass is heated in stages, the first to remove water and volatile components, and the second to reclaim leftover cannabinoids. During a third, higher temperature stage, the biomass is subjected to a COand/or water vapor treatment in order to obtain activated carbon with a desired porosity level.