Lubricating composition
First Claim
Patent Images
1. A lubricating composition comprising:
- (a) between 1 and 99 weight percent, based on the weight of components (a), (b) and (c), of a polyalphaolefin having a viscosity of between 40 and 1000 centistokes at 100°
C.;
(b) between 0 and 99 weight percent, based on the weight of components (a), (b) and (c), of a synthetic hydrocarbon having a viscosity of between 1 and 10 centistokes at 100°
C.;
(c) between 0 and 99 weight percent, based on the weight of components (a), (b) and (c), of a carboxylic acid ester having a viscosity of between 1 and 10 centistokes at 100°
C.; and
(d) between 0 and 25 percent by weight of an additive package;
wherein at least 1 weight percent, based on the weight of components (a), (b) and (c), of component (b) and/or (c) is present.
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Abstract
A lubricating composition is provided containing: a high viscosity synthetic hydrocarbon such as high viscosity polyalphaolefins, liquid hydrogenated polyisoprenes or ethylene-alphaolefin copolymers having a viscosity of 40-1000 centistokes at 100° C.; a low viscosity synthetic hydrocarbon and/or optionally a low viscosity ester; and optionally an additive package to impart desirable performance properties to the composition.
291 Citations
10 Claims
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1. A lubricating composition comprising:
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(a) between 1 and 99 weight percent, based on the weight of components (a), (b) and (c), of a polyalphaolefin having a viscosity of between 40 and 1000 centistokes at 100°
C.;(b) between 0 and 99 weight percent, based on the weight of components (a), (b) and (c), of a synthetic hydrocarbon having a viscosity of between 1 and 10 centistokes at 100°
C.;(c) between 0 and 99 weight percent, based on the weight of components (a), (b) and (c), of a carboxylic acid ester having a viscosity of between 1 and 10 centistokes at 100°
C.; and(d) between 0 and 25 percent by weight of an additive package; wherein at least 1 weight percent, based on the weight of components (a), (b) and (c), of component (b) and/or (c) is present. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification