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US 4,541,839 AGranted
Ester-containing halopolyalkylenes
AssigneePetrolite Corporation
InventorsMichael I. Naiman, John A. Schield
Life of this patent
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Abstract
This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
Claims8
A fuel oil containing a linear halogenated polyalkylene wherein said polyalkylene is characterized as:
- (a) being essentially free of crosslinking;
- (b) having vinyl unsaturation in the polyalkylene backbone;
- and
- (c) having at least about 1 percent of the halogen groups replaced by ester groups having from 1 to 29 carbon atoms.
1 more element
Dependencies are inferred from the claim text.