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.

Date of Patent:
Sep. 26, 2023

Filed:

Nov. 19, 2021
Applicant:

Chemtor, Lp, Lockhart, TX (US);

Inventors:

William Lanier, West Jordan, UT (US);

Scott Davis, Smithville, TX (US);

Assignee:

Chemtor, LP, Lockhart, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 36/185 (2006.01); B01D 11/02 (2006.01); C07C 39/04 (2006.01);
U.S. Cl.
CPC ...
B01D 11/0284 (2013.01); A61K 36/185 (2013.01); B01D 11/0288 (2013.01); B01D 11/0292 (2013.01); C07C 39/04 (2013.01);
Abstract

A method for purification and extraction of cannabinoids includes: providing a cannabis oil including phospholipids and cannabinoid acids; contacting the cannabis oil with a degumming solvent, wherein the degumming solvent and cannabis oil are substantially immiscible; and separating an aqueous phase including the degumming solvent and at least a portion of the phospholipids from an oil phase including the cannabis oil. The method may further include contacting the oil phase with an extraction solvent, where the extraction solvent and oil phase are substantially immiscible; and separating an aqueous phase including the extraction solvent and at least a portion of the cannabinoid acids from a second oil solvent phase including the oil phase and/or simply the liberated cannabinoids following acidification of the extraction solvent.


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