US 12,471,597 B2
Concentrated solutions of phytosterols and preparation process thereof
Paolo Bellandi, Carcare (IT); Ilenia Fiorenza Mazzali, Novara (IT); Elisa Galimberti, Lissone (IT); and Claudio Dacarro, Milan (IT)
Assigned to GOWAN COMPANY, LLC, Yuma, AZ (US)
Filed by GOWAN COMPANY, LLC, Yuma, AZ (US)
Filed on Jan. 7, 2024, as Appl. No. 18/406,174.
Application 18/406,174 is a division of application No. 17/679,997, filed on Feb. 24, 2022, granted, now 11,896,012.
Application 17/679,997 is a division of application No. 16/618,870, granted, now 11,291,207, previously published as PCT/IB2018/054385, filed on Jun. 14, 2018.
Claims priority of application No. 102017000066508 (IT), filed on Jun. 15, 2017.
Prior Publication US 2024/0138413 A1, May 2, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A01N 45/00 (2006.01); A01N 25/04 (2006.01); A01N 49/00 (2006.01); A01P 21/00 (2006.01)
CPC A01N 45/00 (2013.01) [A01N 25/04 (2013.01)] 14 Claims
 
1. A concentrated suspension comprising:
a) a phytosterol mixture of beta-sitosterol, stigmasterol, campesterol and brassicasterol, in an amount higher than 25% by weight with respect to the total weight of the concentrated suspension, wherein the beta-sitosterol is present in an amount ranging from 40% to 45% by weight, the campesterol is present in an amount ranging from 20% to 25% by weight, the stigmasterol is present in an amount ranging from 20% to 30% by weight and the brassicasterol is present in an amount ranging from 1% to 5% by weight, with respect to the total weight of the mixture of phytosterols;
b) one or more wetting agents in an amount ranging from 1% to 5% by weight with respect to the total weight of the concentrated suspension;
c) one or more dispersing agents in an amount ranging from 1% to 5% by weight with respect to the total weight of the concentrated suspension;
wherein the phytosterol mixture, the one or more wetting agents and the one or more dispersing agents have a particle size less than 10 μm for Dv 50.