Fuel oil compositions with improved cold flow properties
First Claim
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1. A method of preparing a fuel or lubricant composition, comprising adding to the fuel or lubricant composition a polymer which comprises, in copolymerized form, an α
- -olefin, a vinyl ester and an ester of an α
,β
-unsaturated carboxylic acid.
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Abstract
The use is described of polymers which contain, in copolymerized form, an α-olefin, a vinyl ester and an ester of an α,β-unsaturated carboxylic acid as an additive for fuel oils and lubricants and in particular as a cold flow improver in fuel oils. In addition, the fuel oils and lubricants additized with these polymers; and also additive packages comprising such polymers are described.
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21 Claims
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1. A method of preparing a fuel or lubricant composition, comprising adding to the fuel or lubricant composition a polymer which comprises, in copolymerized form, an α
- -olefin, a vinyl ester and an ester of an α
,β
-unsaturated carboxylic acid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
- -olefin, a vinyl ester and an ester of an α
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