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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.:

US 10604464 B1

PDFFull Text
Date of Patent:
Mar. 31, 2020

Filed:

Jul. 05, 2018

Process for purification and separation of cannabinoids, from dried hemp and cannabis leaves

Applicant:

Orochem Technologies, Inc., Naperville, IL (US);

Inventors:

Anil Rajaram Oroskar, Oak Brook, IL (US);

David W. House, Arlington Heights, IL (US);

Praneeth Dayanthe Edirisinghe, Chicago, IL (US);

Asha Anil Oroskar, Oak Brook, IL (US);

Faridedin Adel, Arlington Heights, IL (US);

Xinjie Chen, Naperville, IL (US);

Gautham Anil Oroskar, Oak Brook, IL (US);

Assignee:

Orochem Technologies, Inc., Naperville, IL (US);

Attorney:

Leydig, Voit & Mayer, Ltd.

Primary Examiner:

Sikarl A Witherspoon

Int. Cl.
CPC ...
C07C 37/00 (2006.01); B01D 15/00 (2006.01); C07C 37/68 (2006.01); B01D 15/18 (2006.01); C07C 37/84 (2006.01); C07C 37/82 (2006.01); A61K 31/352 (2006.01); A61K 31/192 (2006.01); A61K 31/05 (2006.01); C07C 51/42 (2006.01); B01D 15/32 (2006.01); C07C 39/23 (2006.01); C07C 65/19 (2006.01);
U.S. Cl.
CPC ...
C07C 37/685 (2013.01); A61K 31/05 (2013.01); A61K 31/192 (2013.01); A61K 31/352 (2013.01); B01D 15/185 (2013.01); B01D 15/1821 (2013.01); C07C 37/82 (2013.01); C07C 37/84 (2013.01); C07C 51/42 (2013.01); B01D 15/325 (2013.01); B01D 2257/70 (2013.01); C07C 39/23 (2013.01); C07C 65/19 (2013.01); C07C 2601/16 (2017.05);
Abstract

A method for purification and separation of cannabinoids, such as cannabidiol and tetrahydrocannabinol, e.g., from the dried hemp andleaves can use a continuous simulated moving bed process and a combination of one or more of a sequence of purification steps including: filtration, decolorization, activation or decarboxylation, dewaxing, polishing, and crystallization to separate a cannabinoid from theplant and to provide various cannabinoid products. The cannabinoid products can be used in various pharmaceutical and nutraceutical applications.

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