Patent ID: 11859149
Assignee: INFINEUM INTERNATIONAL LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. An additive concentrate for hydrocarbonaceous liquids, comprising an ionic liquid and a compatible carrier liquid therefor, said ionic liquid comprising:
(i) one or more nitrogen-free organic cations each comprising a tetra-alkyl substituted phosphonium cation, and
(ii) one or more halogen- and boron-free organic anions each comprising an aromatic ring bearing a carboxylate functional group and a further heteroatom-containing functional group, these functional groups being conjugated with the aromatic ring and this conjugated system bearing the anionic charge, and the aromatic ring additionally bearing one or more hydrocarbyl substituents, and
wherein a) the one or more anions (ii) of the ionic liquid are one or more alkyl-substituted salicylate anions, wherein the alkyl substituent(s) of each anion are independently selected from alkyl groups containing from 12 to 24 carbon atoms; and b) the additive concentrate provides an amount of up to 5.0% by weight of ionic liquid to a hydrocarbonaceous liquid, per weight of hydrocarbonaceous liquid.