US 12,187,970 B2
Synthetic lubricity additives for hydrocarbon fuels
Suresh R. Sriram, Aurora, IL (US); Nestor U. Soriano, Jr., Missouri City, TX (US); and Karina Eureste, Iowa Colony, TX (US)
Assigned to ECOLAB USA INC., St. Paul, MN (US)
Filed by ECOLAB USA INC., St. Paul, MN (US)
Filed on Mar. 14, 2023, as Appl. No. 18/121,301.
Application 18/121,301 is a continuation of application No. 17/525,105, filed on Nov. 12, 2021, granted, now 11,629,304.
Claims priority of provisional application 63/113,444, filed on Nov. 13, 2020.
Prior Publication US 2023/0220290 A1, Jul. 13, 2023
Int. Cl. C10L 10/04 (2006.01); C07D 207/404 (2006.01); C10L 1/232 (2006.01); C10L 10/08 (2006.01)
CPC C10L 1/232 (2013.01) [C07D 207/404 (2013.01); C10L 10/04 (2013.01); C10L 10/08 (2013.01); C10L 2200/0446 (2013.01); C10L 2200/0469 (2013.01)] 15 Claims
 
1. A lubricity additive comprising a bisester which is the reaction product of glycerol and an alkenyl succinic anhydride according to formula II:

OG Complex Work Unit Chemistry
wherein R is a C8-C60 alkenyl group which is substituted or unsubstituted; and wherein the bisester incorporates glycerol and the alkenyl succinic anhydride in a molar ratio of 1:2.