US 11,807,826 B2
Lubricating base oils from esterified alkoxylated polyols using saturated long-chain fatty acids
Zachary Hunt, Simpsonville, SC (US); Peter Gennaro, Mount Pleasant, SC (US); Jeffrey R. DiMaio, Pendleton, SC (US); and Benjamin Bergmann, Liberty, SC (US)
Assigned to Universtiy of South Carolina, Columbia, SC (US)
Filed by Tetramer Technologies, LLC, Pendleton, SC (US)
Filed on Dec. 16, 2021, as Appl. No. 17/552,418.
Application 17/552,418 is a continuation of application No. 16/429,184, filed on Jun. 3, 2019, granted, now 11,230,682.
Claims priority of provisional application 62/680,030, filed on Jun. 4, 2018.
Prior Publication US 2022/0106535 A1, Apr. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C10M 105/44 (2006.01); C10M 101/04 (2006.01); C10N 40/04 (2006.01); C10N 40/12 (2006.01)
CPC C10M 105/44 (2013.01) [C10M 101/04 (2013.01); C10M 2207/301 (2013.01); C10M 2209/043 (2013.01); C10N 2040/04 (2013.01); C10N 2040/12 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A synthetic ester comprising:
at least one propoxylated or butoxylated polyol, wherein an average degree of propoxylation or butoxylation is ≥3;
at least one fatty acid, wherein the at least one fatty acid is equal to or greater than C4; and
wherein a hydroxyl value of the synthetic ester is less than 8 mg KOH/g.