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| Number | Title | Issue Date |
| 5112507 | Polymeric dispersants having alternating polyalkylene and succinic groups Novel copolymers of unsaturated acidic reactants and high molecular weight olefins wherein at least 20 percent of the total high molecular weight olefin comprises the alkylvinylidene isomer are useful as dispersants in lubricating oils and fuels and also ... | 05/12/1992 |
| 5108633 | Long chain aliphatic hydrocarbyl amine additives having an oxyalkylene hydroxy connecting group Long chain aliphatic hydrocarbyl amine additives which comprise a long chain aliphatic hydrocarbyl component, an amine component and an oxy-alkylene hydroxy connecting group connecting the aliphatic hydrocarbyl component and amine component are useful as ... | 04/28/1992 |
| 5055607 | Long chain aliphatic hydrocarbyl amine additives having an oxy-carbonyl connecting group Long-chain aliphatic hydrocarbyl polyamino additives which comprise a long-chain aliphatic hydrocarbyl moiety, a polyamino moiety and an oxy-carbonyl connecting group which joins the aliphatic hydrocarbyl moiety and the polyamino moiety are useful as disp... | 10/08/1991 |
| 5024773 | Methods for preparing, group II metal overbased sulfurized alkylphenols The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols.... | 06/18/1991 |
| 4975096 | Long chain aliphatic hydrocarbyl amine additives having an oxyalkylene hydroxy connecting group Long chain aliphatic hydrocarbyl amine additives which comprise a long chain aliphatic hydrocarbyl component, an amine component and an oxy-alkylene hydroxy connecting group connecting the aliphatic hydrocarbyl component and amine component are useful as ... | 12/04/1990 |
| 4971710 | Methods for preparing, Group II metal overbased sulfurized alkylphenols The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols.... | 11/20/1990 |
| 4933485 | Lubricating oil compositions containing very long chain alkylphenyl poly (oxyalkylene) aminocarbamates Disclosed are alkylphenyl poly(oxyalkylene) aminocarbamates having at least one basic nitrogen and an average molecular weight of about 800 to 6,000 and wherein the alkyl group contains at least 40 carbon atoms. Also disclosed are lubricating oil composit... | 06/12/1990 |
| 4927551 | Lubricating oil compositions containing a combination of a modified succinimide and a Group II metal overbased sulfurized alkylphenol Lubricating oil compositions containing a combination of a polyamino alkenyl or alkyl succinimide modified to contain carbamate functionalities and a Group II metal overbased sulfurized alkylphenol unexpectedly possess little, if any, adverse compatabilit... | 05/22/1990 |
| 4925579 | Lubricating oil containing hydroperoxidized ethylene copolymers and terpolymers as dispersants and V.I. improvers Lubricating oil compositions containing multifunctional additives, e.g. sludge dispersants and V.I. improvers, and the use of the composition to lubricate the crankcase of an internal combustion engine are disclosed. The additives are prepared by hydroper... | 05/15/1990 |
| 4915786 | Nonionic emulsifier and substituted succinic anhydride compositons therewith An emulsifier comprising the reaction product of a substituted succinic anhydride and a nonionic water-soluble compound having 1 to 3 reactive polar groups. There is also disclosed a stable substituted succinic anhydride/nonionic emulsifier composition, a... | 04/10/1990 |
| 4881945 | Fuel compositions containing very long chain alkylphenyl poly(oxyalkylene) aminocarbonates 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 a fuel soluble alkylphenyl poly(oxyalkylene) aminocarbamate having at least one basic nitrogen and an av... | 11/21/1989 |
| 4877416 | Synergistic fuel compositions Disclosed is a synergistic fuel composition containing a hydrocarbyl-substituted amine or polyamine and a poly(oxyalkylene) monool. These compositions provide for an unexpected decrease in those deposits which have been correlated to Octane Requirement In... | 10/31/1989 |
