Polymeric dispersants via novel terpolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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5253274, 5253277, 5253278, 5253296, 5253299, 5253301, 5253302, 525370, 525371, 525374, 525379, 525380, 525382, 525384, C08F 832

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058147063

ABSTRACT:
Novel terpolymers are disclosed which comprise the reaction product of a high molecular weight olefin, such as polybutene or polypropylene, with an unsaturated acid reactant, such as maleic anhydride and a di-or polyunsaturated reactant. The terpolymers are useful as dispersants in lubricating oils and fuels and are also used to prepared polysuccinimides and other post-treated additives useful in lubricating oils and fuels.

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