US 12,168,670 B2
Modified lecithin for asphalt applications
Todd L. Kurth, Maple Grove, MN (US); Suzanne Stauduhar, Robbinsdale, MN (US); and Hassan Ali Tabatabaee, Plymouth, MN (US)
Assigned to CARGILL, INCORPORATED, Wayzata, MN (US)
Filed by CARGILL, INCORPORATED, Wayzata, MN (US)
Filed on Oct. 19, 2023, as Appl. No. 18/490,517.
Application 18/490,517 is a division of application No. 17/664,980, filed on May 25, 2022, granted, now 11,820,786.
Application 17/664,980 is a continuation of application No. 16/908,298, filed on Jun. 22, 2020, granted, now 11,345,718, issued on May 31, 2022.
Application 16/908,298 is a continuation of application No. 15/574,760, granted, now 10,689,406, issued on Jun. 23, 2020, previously published as PCT/US2016/033250, filed on May 19, 2016.
Claims priority of provisional application 62/164,123, filed on May 20, 2015.
Prior Publication US 2024/0043454 A1, Feb. 8, 2024
Int. Cl. C07F 9/10 (2006.01); C08L 85/02 (2006.01); C08L 91/00 (2006.01); C09K 8/60 (2006.01); C11B 13/02 (2006.01); C08L 95/00 (2006.01)
CPC C07F 9/103 (2013.01) [C08L 85/02 (2013.01); C08L 91/00 (2013.01); C09K 8/602 (2013.01); C11B 13/02 (2013.01); C08L 95/00 (2013.01); C08L 2555/22 (2013.01); C08L 2555/50 (2013.01); C08L 2555/64 (2013.01); Y02A 30/30 (2018.01)] 5 Claims
 
1. A method of incorporating a lecithin blend product in asphalt applications, comprising:
(a) obtaining a lecithin blend product, comprising of lecithin and a fatty acid source with an acid value between 1 and 100 mg KOH/g; and
(b) adding the lecithin blend product to an asphalt binder thereby forming a mixture; wherein the amount of the lecithin blend product ranges from 0.1 to 3 wt % of the mixture.