US 12,011,471 B2
Extracts enriched with polyphenolic compounds and related methods
Steven Rothstein, Guelph (CA); Tariq Akhtar, Guelph (CA); Jose Casaretto, Guelph (CA); Gale Bozzo, Guelph (CA); Colby Perrin, Guelph (CA); and Cameron Parry, Guelph (CA)
Assigned to ATLAS365 INCORPORATED, Mississauga (CA)
Appl. No. 17/787,240
Filed by ATLAS365 INCORPORATED, Mississauga (CA)
PCT Filed Dec. 18, 2020, PCT No. PCT/CA2020/051744
§ 371(c)(1), (2) Date Jun. 17, 2022,
PCT Pub. No. WO2021/119826, PCT Pub. Date Jun. 24, 2021.
Claims priority of provisional application 62/950,293, filed on Dec. 19, 2019.
Prior Publication US 2023/0047321 A1, Feb. 16, 2023
Int. Cl. A61K 36/185 (2006.01); A61K 31/05 (2006.01); B01D 15/18 (2006.01); B01J 20/26 (2006.01)
CPC A61K 36/185 (2013.01) [A61K 31/05 (2013.01); B01D 15/1871 (2013.01); B01J 20/265 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method for producing an eluent enriched with one or more compounds selected from the group consisting of flavonoids, stilbenoids, bibenzyls and combinations thereof, the method comprising:
a) applying a cannabis extract to a first adsorption resin;
b) eluting the first adsorption resin to produce a first eluent enriched with one or more compounds selected from the group consisting of flavonoids, stilbenoids, bibenzyls and combinations thereof;
c) applying the first eluent to a second adsorption resin;
d) eluting the second adsorption resin to produce a second eluent enriched with one or more compounds selected from the group consisting of flavonoids, stilbenoids, bibenzyls and combinations thereof and wherein the first adsorption resin comprises a macroporous adsorption resin comprising a polymeric non-ionic polystyrene-divinylbenzene resin, and the second adsorption resin comprises polyvinylpyrrolidone.