Patent ID: 7294607

Claim:
An aviation turbine oil lubricant composition exhibiting enhanced load-carrying capacity and oxidative/corrosion stability said lubricant composition comprising a major portion of: a) a synthetic ester based base stock which is the esterification product of an aliphatic polyol containing 4 to 15 carbon atoms and from 2 to 8 esterifiable hydroxyl groups reacted with a carboxylic acid containing 4 to 12 carbon atoms; and a minor portion of: b) 3-(di-isobutoxy-thiophosphonylsulfanyl)-2-methyl-propionic acid (DITMPA); and c) tolutriazole wherein the DITMPA comprises from about 0.03 to about 0.10 weight percent of the fully formulated lubricating oil composition and the tolutriazole comprises from about 0.05 to about 0.10 weight percent of the fully formulated lubricating oil composition.