C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 169/04 (2006.01) C10M 107/02 (2006.01) C10M 133/12 (2006.01) C10M 133/16 (2006.01) C10M 133/44 (2006.01) C10M 137/04 (2006.01) C10M 141/10 (2006.01)
Patent
CA 2263631
A sulfur free lubricating composition comprises a major portion of a synthetic base lubricating oil and a minor portion of a tri(alkyl phenyl) phosphate or di(alkylphenyl)phosphoric acid antiwear agent, an amine antioxidant a substituted succinamide rust inhibitor and a tolytriazole. The tri(alkylphenyl)phosphate antiwear agent is incorporated in the oil in an amount ranging between about 0.1 to 2.0 wt% and the amine antioxidant in amount ranging from about 0.1 to 5 wt%. The succinamide is present in an amount ranging from about 0.01 to 0.5 wt% and the tolytriazole, from about 0.01 to 0.5 wt%. In the foregoing, the wt% is based on the weight of oil.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering
Imperial Oil
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