US 11,898,113 B2
Composition for cleaning combustion engine systems
Harold Collier, Hapton (GB); and Antony Leigh, Hapton (GB)
Assigned to Cataclean House, Liverpool (GB)
Appl. No. 17/624,713
Filed by Cataclean Global Ltd., Liverpool (GB)
PCT Filed Jul. 7, 2020, PCT No. PCT/GB2020/051630
§ 371(c)(1), (2) Date Jan. 4, 2022,
PCT Pub. No. WO2021/005358, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 1909773 (GB), filed on Jul. 8, 2019.
Prior Publication US 2022/0243138 A1, Aug. 4, 2022
Int. Cl. C10L 1/16 (2006.01); C10L 1/182 (2006.01); C10L 1/185 (2006.01); C10L 10/18 (2006.01); C10M 169/04 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01)
CPC C10L 1/1616 (2013.01) [C10L 1/1608 (2013.01); C10L 1/1824 (2013.01); C10L 1/1852 (2013.01); C10L 10/18 (2013.01); C10M 169/04 (2013.01); C10M 2203/06 (2013.01); C10M 2203/10 (2013.01); C10M 2207/04 (2013.01); C10N 2030/04 (2013.01); C10N 2040/25 (2013.01)] 18 Claims
 
1. A composition for cleaning a combustion engine system, wherein the composition comprises:
a hydrocarbon, wherein the hydrocarbon comprises respective first and second hydrocarbons, wherein the first hydrocarbon comprises a lubricant, wherein the lubricant has a flash point, measured according to ASTM D93, of less than 80° C., wherein the lubricant comprises odourless kerosene, wherein the second hydrocarbon comprises an aromatic hydrocarbon, wherein the aromatic hydrocarbon has a flash point, measured according to ASTM D93, of greater than 62° C., wherein the aromatic hydrocarbon comprises C10 aromatic hydrocarbon blend; and
an oxygen donor, wherein the oxygen donor comprises respective first and second oxygen donors, wherein the first oxygen donor comprises a hydroxyl group and has a flash point, measured according to ASTM D93, of from 45° C. to 95° C., wherein the first oxygen donor comprises benzyl alcohol, and wherein the second oxygen donor comprises a carbonyl group or an ether group and has a flash point, measured according to ASTM D93, of from 50° C. to 120° C., wherein the second oxygen donor comprises dipropylene glycol monomethyl ether.