Fuel and related compositions – Liquid fuels – Containing organic -c
Patent
1992-11-17
1994-05-17
Howard, Jacqueline V.
Fuel and related compositions
Liquid fuels
Containing organic -c
44333, 44334, 44344, 44338, C10L 122
Patent
active
053124600
ABSTRACT:
Disclosed is a fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from about 30 to about 5,000 parts per million of an alkylphenyl poly(oxypropylene) aminocarbamate having at least one basic nitrogen and an average molecular weight of about 600 to 6,000 and wherein the alkyl group is substantially straight-chain of at least 15 carbon atoms. The instant invention is based on the discovery that use of the unique hydrocarbyl group, i.e., an alkylphenyl group wherein the alkyl group is derived from a substantially straight-chain alkyl group of at least 15 carbon atoms imparts to the alkylphenyl poly(oxypropylene) aminocarbamate not only lubricating oil compatibility but also an unexpected decrease in crankcase deposits.
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patent: 4695291 (1987-09-01), Plavac
Caroli Claude J.
Chevron Research Company
Howard Jacqueline V.
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