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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 12478947 B1

PDFFull Text
Date of Patent:
Nov. 25, 2025

Filed:

May. 22, 2020

Chromatographic media and methods of making and using same

Applicant:

Immutrix Therapeutics, Inc., Rapid City, SD (US);

Inventor:

Jose A. Diaz-Aunon, Rapid City, SD (US);

Assignee:

Immnutrix Therapeutics, Inc., Rapid City, SD (US);

Attorneys:

Barnes & Thornburg LLP

Jerry C. Harris, Jr.

Primary Examiner:

Stuart L Hendrickson

Int. Cl.
CPC ...
B01J 20/20 (2006.01); B01D 15/16 (2006.01); B01D 15/32 (2006.01); B01J 20/28 (2006.01); B01J 20/282 (2006.01); C07C 37/82 (2006.01); C07C 51/47 (2006.01); C07D 307/91 (2006.01); C07D 311/80 (2006.01); C07D 311/94 (2006.01);
U.S. Cl.
CPC ...
B01J 20/20 (2013.01); B01D 15/165 (2013.01); B01D 15/322 (2013.01); B01D 15/325 (2013.01); B01J 20/28064 (2013.01); B01J 20/28066 (2013.01); B01J 20/28085 (2013.01); B01J 20/282 (2013.01); C07C 37/82 (2013.01); C07C 51/47 (2013.01); C07D 307/91 (2013.01); C07D 311/80 (2013.01); C07D 311/94 (2013.01); B01J 2220/52 (2013.01);
Abstract

Tailored chromatographic media and methods for using the tailored chromatographic media to purify mixtures extracted from cannabis to obtain a cannabinoid having greater than about 90% purity. In an embodiment, the tailored chromatographic media may comprise a porous resin and/or porous carbon and have a surface area of greater than about 900 m2/g, wherein the tailored chromatographic media may further comprise micropores, mesopores, macropores, wherein the tailored chromatographic media may further comprise at least two distributions of macroporous pore sizes, wherein the at least two distributions of macroporous pore sizes may comprise a first population having a macroporous pore size denoted x and a second population having a macroporous pore size denoted y, wherein a ratio of x/y may be about 1:1, and wherein the tailored chromatographic media may further comprise an anionic polysaccharide and a functional moiety.

Find Patent Forward Citations

Diaz-Aunon, Jose. (2025). Chromatographic media and methods of making and using same (U.S. Patent No. 12478947). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12478947

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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