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Timothy R. Erdman

Chevron Corporation

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Marine Pollution Bulletin | 1989

Modified succinimides and lubricating oil compositions containing the same

Robert H. Wollenberg; Frank Plavac; Timothy R. Erdman

Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides which contain carbamate functionalities.

Archive | 1986

Hydrocarbon soluble nitrogen containing dispersant-fluorophosphoric acid adducts

Timothy R. Erdman

Archive | 1982

Method for improving fuel economy of internal combustion engines

Thomas V. Liston; Timothy R. Erdman

Archive | 1989

Lubricating oil compositions containing a combination of a modified succinimide and a Group II metal overbased sulfurized alkylphenol

Timothy R. Erdman; Michael A. Shippey; Robert H. Wollenberg

Archive | 1982

Fuel economy in internal combustion engines

Timothy R. Erdman

Archive | 1983

Amine substituted hydrocarbon polymer dispersant lubricating oil additives

Timothy R. Erdman

Archive | 1980

Method for reducing brake noise in oil-immersed disc brakes

Thomas V. Liston; Timothy R. Erdman

Archive | 1985

Modified succinimides for use in lubricating oils and hydrocarbon fuels

Robert H. Wollenberg; Frank Plavac; Timothy R. Erdman

Archive | 1981

Process of preparing dispersant lubricating oil additives

Timothy R. Erdman

Archive | 1985

Modified carboxylic amide dispersants

Timothy R. Erdman

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Robert H. Wollenberg

Chevron Corporation

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Frank Plavac

Chevron Corporation

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Thomas V. Liston

Chevron Corporation

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Michael A. Shippey

Chevron Corporation

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