US 12,139,680 B2
Fuel composition with lubricity modifier
Lloyd A. Nelson, Savannah, GA (US); Gerald Heebner, Savannah, GA (US); and Charles D. Moses, Savannah, GA (US)
Assigned to KRATON CORPORATION, Houston, TX (US)
Filed by Kraton Chemical, LLC, Jacksonville, FL (US)
Filed on Sep. 18, 2023, as Appl. No. 18/468,948.
Claims priority of provisional application 63/516,709, filed on Jul. 31, 2023.
Claims priority of provisional application 63/376,016, filed on Sep. 16, 2022.
Claims priority of provisional application 63/376,008, filed on Sep. 16, 2022.
Prior Publication US 2024/0093111 A1, Mar. 21, 2024
Int. Cl. C10L 10/08 (2006.01); C10L 1/188 (2006.01)
CPC C10L 10/08 (2013.01) [C10L 1/1885 (2013.01); C10L 2200/0446 (2013.01); C10L 2270/026 (2013.01); C10L 2300/20 (2013.01)] 20 Claims
 
1. A fuel composition comprising:
at least 80 wt. % of a base fuel, the base fuel is a middle distillate having a sulfur content of <500 ppm;
0-5 wt. % of an additive;
0.015-15 wt. % of a lubricity modifier comprising a decarboxylated rosin acid and optionally at least one of a fatty acid, a fatty acid derivative, and mixtures thereof;
wherein the decarboxylated rosin acid has:
a flash point of 95-180° C., according to ASTM D92
a density of 0.9 to 1.0 g/cm3 at 20° C.;
a viscosity of 15 to 60 cSt at 40° C., according to ASTM D-445; and
an acid value of <50 mg KOH/g, according to ASTM D1240-14 (2018);
wherein the fuel composition exhibits a wear scar diameter of less than or equal to 600 μm, according to ASTM-D6079.