Patent ID: 11939550
Assignee: INFINEUM INTERNATIONAL LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. An overbased alkaline earth metal hydrocarbyl-substituted salicylate detergent comprising both carbonate and borate moieties and exhibiting the following characteristics:
a basicity index of at least 3.8;
a ratio of soap content to mass % boron is greater than 55 mmol/kg;
a soap content of at least 330 mmol/kg and less than or equal to 500 mmol/kg;
a TBN, measured according to ASTM D2896, of at least 220 mg KOH/g; and
a mass ratio of borate to carbonate from 0.75 to 6.0,
wherein the alkaline earth metal comprises calcium and/or magnesium, and the hydrocarbyl substitution comprises 9 to 30 carbon atoms.