US 11,879,211 B2
Process for separating trichomes from non-trichome materials
Raul Victorino Nunes, Loveland, OH (US); Nicholas William Geary, Mariemont, OH (US); Jason Allen Stamper, Covington, KY (US); Bryan Keith Waye, Mason, OH (US); and Khosrow Parviz Mohammadi, Liberty Township, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Aug. 25, 2022, as Appl. No. 17/895,570.
Application 17/895,570 is a continuation of application No. 16/452,579, filed on Jun. 26, 2019.
Claims priority of provisional application 62/691,836, filed on Jun. 29, 2018.
Prior Publication US 2022/0403595 A1, Dec. 22, 2022
Int. Cl. D21D 5/02 (2006.01)
CPC D21D 5/02 (2013.01) 20 Claims
OG exemplary drawing
 
1. A process for extracting trichomes from non-trichome materials, the process comprising the steps of:
providing a mixture of trichomes and non-trichome materials by separation from a plant source;
adding water to float a first floatable portion of the mixture;
removing at least a portion of the first floatable portion;
using air to float a second floatable portion of the mixture; and
removing at least a portion of the second floatable portion.