Compositions – Preservative agents – Anti-corrosion
Patent
1987-05-12
1989-09-19
Dixon, Jr., William R.
Compositions
Preservative agents
Anti-corrosion
252 334, 252 427, 252 47, 252 482, 252 497, 252 50, 252 515A, 252 56R, C10M14112
Patent
active
048678902
ABSTRACT:
A lubricating oil composition having improved properties comprises a major proportion by weight of a lubricating oil, a dispersant compound, from 0.01 to 0.5 wt % phosphorus and zinc and 5 to 500 parts per million of copper, and additive concentrates for blending with oil to produce such lubricating oil compositions.
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Colclough Terence
Gibson Frederick A.
Marsh John F.
Dixon Jr. William R.
Johnson Jerry D.
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