Fumarate copolymers and acylated alkanolamines as low temperature flow improvers
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United States of America Patent
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Jan 25, 2000
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Sep 25, 1998
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Sep 25, 1998
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Abstract
The low temperature flow properties of wax-containing liquids are improved by adding a composition comprising (i) a polymer of a C.sub.8-20 alkyl ester of an ethyleneically unsaturated 1,2-diacid, and (ii) the reaction product of an alkanolamine with a C.sub.8-50 hydrocarbyl-substituted acylating agent.
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