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Title: Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same

Patent ·
OSTI ID:5163349

This patent describes a distillate fuel oil composition comprising a major amount of a normally liquid fuel and a pour-point depressant amount of: a copolymer of ethylene and vinyl acetate, the copolymer having about 30 to about 40% by weight vinyl acetate, a number average molecular weight in the range of about 1500 to about 3000, and about 3 to about 6 methyl terminating side branches per 100 methylene groups; and the reaction product of a hydrocarbyl-substituted succinic anhydride with a mixture of aminopropylmorpholine and diethylenetriamine, the hydrocarbyl substituent of the succinic anhydride being polymer of C/sub 15-18/ alpha-olefins, the number average molecular weight of the substituent being in the range of about 2000 to about 8000.

Assignee:
Lubrizol Corp., Wicliffe, OH
Patent Number(s):
US 4613342
OSTI ID:
5163349
Resource Relation:
Patent File Date: Filed date 16 Oct 1985
Country of Publication:
United States
Language:
English