POUR POINT DEPRESSANTS FOR IMPROVING THE LOW-TEMPERATURE VISCOSITY OF AGED LUBRICATING OIL
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Dec 1, 2016
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Jan 15, 2015
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Jan 21, 2014
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Abstract
The present invention relates to compositions for use as lubricating oil additives. The additive compositions comprise a mixture of alkyl (meth)acrylate copolymers, having distinct monomeric compositions. The additive compositions disclosed herein can be used to improve the low-temperature pumpability of aged lubricating oil, particularly diesel engine oil aged in the presence of biodiesel.
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