申请人:Chevron Oronite Company LLC
公开号:US20180016512A1
公开(公告)日:2018-01-18
Disclosed is a lubricating oil composition comprising an oil of lubricating viscosity and an oil soluble synergistic mixture of antioxidants, said mixture comprising:
a) a hindered amine antioxidant according to formula (I)
wherein each R
1
is independently selected from a substituted or unsubstituted, branched or linear, C
1
-C
20
hydrocarbyl group; R
2
is selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C
1
-C
20
hydrocarbyl group; each R
3
is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C
1
-C
20
hydrocarbyl group; each R
4
is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C
1
-C
20
hydrocarbyl group; n is an integer from 1 to 4; and m is an integer from 1 to 5; and
b) a molybdenum succinimide complex.