Abstract: A fuel for internal combustion engines containing as a deposit-control additive at least one alkenylsuccinyl (polycarbonate-polyglycolethyleneoxy)-B-hydroxypropionate.

Abstract: Motor fuel composition comprising a mixture of hydrocarbons in the gasoline boiling range containing in combination a minor amount of a substituted asparagine containing the formula: ##STR1## in which R and R' each represent a secondary or tertiary alkyl or alkylene radical having from about 7 to about 20 carbon atoms and a minor amount of a cyclomatic compound having the formula:MA.sub.x B.sub.ywherein M is manganese, A is a cyclopentadienyl radical and B is an electron donating group.

Abstract: A lubricating oil composition containing sulfurized calcium alkylphenolate detergent dispersant of superior resistance to oxidation prepared by (1) reacting at a temperature between 200.degree. and 425.degree.F. alkylphenol with a first addition of calcium alkoxyalkoxide to form a calcium alkylphenolate containing first reaction mixture utilizing between about 45 and 90 wt. % of the stoichiometric amount required to convert the alkylphenol to calcium alkylphenolate, (2) contacting the calcium alkylphenolate first reaction mixture with sulfur at a temperature between about 440.degree. and 460.degree.F. in the presence of between about 13 and 20 wt. % of a hydrocarbon lubricating oil based on step 2 second reaction mixture, and (3) contacting the second reaction mixture with a second addition of calcium alkoxyalkoxide at a temperature between about 350.degree. and 425.degree.F.