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US 4,544,712 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.
Claims9
A linear halogenated polyalkylene characterized as:
- (a) being essentially free of crosslinking;
- (b) having vinyl unsaturation in the backbone;
- and
- (c) having at least about 1 per cent of the halogen groups replaced by ester groups.
1 more element
Dependencies are inferred from the claim text.