| Patent Number |
Title Of Patent |
Date Issued |
| 4927551 |
Lubricating oil compositions containing a combination of a modified succinimide and a Group II m |
May 22, 1990 |
| 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 compatability effects on deposits in diesel |
| 4840744 |
Modified succinimides and lubricating oil compositions containing the same |
June 20, 1989 |
| 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. |
| 4747971 |
Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts |
May 31, 1988 |
| Amine-containing dispersants, such as succinimides, Mannich Bases and Viscosity-index improvers are reacted with fluorophosphoric acid. The reaction of the dispersant with the fluorophosphoric acid passivates the dispersant to fluorocarbon compositions used as seals, for example in a |
| 4746446 |
Modified succinimides |
May 24, 1988 |
| 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. |
| 4713190 |
Modified carboxylic amide dispersants |
December 15, 1987 |
| Carboxylic amide dispersants are reacted with a fluorine-containing acid reagent selected from fluorophosphoric acid, boron trifluoride, fluoboric acid and the ammonium salts thereof. The reaction of the dispersant with the fluorine-containing acid passivates the dispersant to fluorocarb |
| 4648980 |
Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts |
March 10, 1987 |
| Amine-containing dispersants, such as succinimides, Mannich Bases and Viscosity-index improvers are reacted with fluorophosphoric acid. The reaction of the dispersant with the fluorophosphoric acid passivates the dispersant to fluorocarbon compositions used as seals, for example in a |
| 4615826 |
Hydrocarbon soluble nitrogen containing dispersant-fluorophosphoric acid adducts |
October 7, 1986 |
| Amine-containing dispersants, such as succinimides, Mannich Bases and Viscosity-index improvers are reacted with fluorophosphoric acid. The reaction of the dispersant with the fluorophosphoric acid passivates the dispersant to fluorocarbon compositions used as seals, for example in a |
| 4612132 |
Modified succinimides |
September 16, 1986 |
| 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. |
| 4584112 |
Fuel-efficient lubricating oil |
April 22, 1986 |
| The fuel economy of an internal combustion engine can be improved by adding to the lubricating oil used to lubricate the crankcase of said engine from 0.25 to 2 weight percent of pentaerythritol mono-oleate in combination with 15 to 25 millimols per kilogram of zinc O,O-di(2-ethylhex |
| 4548722 |
Dispersant lubricating oil additives |
October 22, 1985 |
| Dispersant lubricating oil additives are prepared by reacting oil-soluble dispersant compositions containing at least one primary or secondary amino group with SO.sub.2. |
| 4521319 |
Dispersant lubricating oil additives |
June 4, 1985 |
| Dispersant lubricating oil additives are prepared by reacting oil-soluble dispersant compositions containing at least one primary or secondary amino group with SO.sub.2. |
| 4410437 |
Amine substituted hydrocarbon polymer dispersant lubricating oil additives |
October 18, 1983 |
| Dispersant lubricating oil additives are prepared by reacting oil-soluble dispersant compositions containing at least one primary or secondary amino group with SO.sub.2. |
| 4406803 |
Method for improving fuel economy of internal combustion engines |
September 27, 1983 |
| Lubricating oils containing oil soluble C.sub.10 -C.sub.30 alkane-1,2-diols have been found to reduce fuel consumption in an internal combustion engine. |
| 4376056 |
Fuel economy in internal combustion engines |
March 8, 1983 |
| The fuel economy of an internal combustion engine can be improved by adding to the lubricating oil used to lubricate the crankcase of said engine from 0.25 to 2 weight percent of pentaerythritol mono-oleate. |
| 4336149 |
Fuel economy in internal combustion engines |
June 22, 1982 |
| The fuel economy of an internal combustion engine can be improved by adding to the lubricating oil used to lubricate the crankcase of said engine from 0.25 to 2 weight percent of pentaerythritol mono-oleate. |
| 4331222 |
Method for reducing brake noise in oil-immersed disc brakes |
May 25, 1982 |
| Lubricating oils containing oil soluble C.sub.8 -C.sub.28 alkane-1,2-diols have been found to reduce brake noise for oil-immersed disc brakes. |
| 4275006 |
Process of preparing dispersant lubricating oil additives |
June 23, 1981 |
| Dispersant lubricating oil additives are prepared by reacting oil-soluble dispersant compositions containing at least one primary or secondary amino group with SO.sub.2. |