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US 2002/0002118 A1Published application
Lubrication additive
OwnerM. Karl Brandtinventor
Life of this patent
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Abstract
An additive for lubricating oil, especially motor oil for internal combustion engines, uses a mixture of overbased zinc alhyl-dithiophosphate, a chlorinated paraffin and a glycol ether. The additive preferable is used in a mineral oil base for reduced wear and lower oil operating temperatures.
Claims5
A lubricating oil composition comprising:
- a) a base oil of lubricating viscosity;
- and
- b) an additive comprising a zinc alkyldithiophosphate, a chlorinated paraffin and a glycol ether.
An additive for a lubricating oil comprising a 1:5:10 mixture of a zinc alkyldithiophosphate, a glycol ether and a chlorinated paraffin.
Dependencies are inferred from the claim text.