Patent ID: 6468948
Filing Date: 2002-10-22
Classification: C08F,C10L,C10M,C10N

Abstract:
Monounsaturated olefinic hydrocarbon polymer suitable for use as a fuel or lubricant additive, said polymer having the following characteristics:(a) an average ethylene sequence length, ESL, of from about 1.0 to less than about 3.0; (b) an average of at least 5 branches per 100 carbon atoms of the polymer chains comprising said polymer; (c) at least about 50% of said branches being methyl and/or ethyl branches; (d) at least about 30% of said polymer chains terminated with a vinyl or vinylene group; (e) a number average molecular weight, Mn, of from about 15,000 to about 500,000; and (f) substantial solubility in hydrocarbon and/or synthetic base oil.