	US 11,788,024 B2
	Emulsifier package with quaternary ammonium surfactant for fuel emulsion
Marcel Harhausen, Ludwigshafen (DE); and Thorsten Schoeppe, Ludwigshafen (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/608,360
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Apr. 23, 2020, PCT No. PCT/EP2020/061317 § 371(c)(1), (2) Date Nov. 2, 2021, PCT Pub. No. WO2020/224974, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 19172458 (EP), filed on May 3, 2019.
Prior Publication US 2022/0220401 A1, Jul. 14, 2022
Int. Cl. C10L 1/32 (2006.01); C10L 1/14 (2006.01); C10L 1/222 (2006.01)

CPC C10L 1/328 (2013.01) [C10L 1/143 (2013.01); C10L 1/2225 (2013.01); C10L 2250/084 (2013.01)]

19 Claims

1. A fuel emulsion for powering a diesel engine, comprising:

water,

a fuel, and

an emulsifier package, which comprises a quaternary ammonium surfactant which is a reaction product obtained by

reacting a quaternizable nitrogen compound comprising at least one quaternizable amino group with a quaternizing agent, which converts the at least one quaternizable amino group to a quaternary ammonium group,

wherein the quaternizing agent is a hydrocarbyl epoxide in combination with a free hydrocarbyl-substituted polycarboxylic acid.