Issued Patents All Time
Showing 76–100 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5498809 | Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives | Albert Rossi, Salvatore Rea, Jeffrey W. Frederick, Mahn Won Kim | 1996-03-12 |
| 5482519 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same | Antonio Gutierrez, Robert D. Lundberg | 1996-01-09 |
| 5478463 | Method of reducing sludge and varnish precursors in lubricating oils | Darrell W. Brownawell, Warren A. Thaler, Cruise K. Jones, Abhimanyu O. Patil | 1995-12-26 |
| 5439604 | Oil soluble additives useful in oleaginous compositions | Malcolm Waddoups, Antonio Gutierrez, Robert D. Lundberg | 1995-08-08 |
| 5407591 | Oil soluble dispersant additives comprising the reaction product of a mannich base and a polyepoxide | Robert D. Lundberg | 1995-04-18 |
| 5399273 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds | Antonio Gutierrez, Robert D. Lundberg | 1995-03-21 |
| 5385687 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Robert D. Lundberg, Antonio Gutierrez | 1995-01-31 |
| 5370810 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same PT-696 | Antonio Gutierrez, Robert D. Lundberg | 1994-12-06 |
| 5340487 | Dispersant adducts comprising alcohol adducts of dicarboxylic acid monoepoxy thiol reaction products | Robert D. Lundberg | 1994-08-23 |
| 5328622 | Oil soluble dispersant additives modified with monoepoxy monounsaturated compounds | Antonio Gutierrez, Robert D. Lundberg | 1994-07-12 |
| 5306313 | Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product | Antonio Gutierrez, Robert D. Lundberg | 1994-04-26 |
| 5294234 | Fuel compositions of novel ethylene alpha-olefin polymers substituted amine dispersant additives | Alan M. Schilowtiz, Antonio Gutierrez, Won R. Song | 1994-03-15 |
| 5284595 | Borated ethylene .alpha.-olefin polymer substituted amine dispersant additives | Alan M. Schilowitz, Antonio Gutierrez, Won R. Song | 1994-02-08 |
| 5282991 | Friction modified oleaginous concentrates of improved stability | Waddoups Malcolm | 1994-02-01 |
| 5275748 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Robert D. Lundberg, Antonio Gutierrez | 1994-01-04 |
| 5273668 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds | Antonio Gutierrez, Robert D. Lundberg | 1993-12-28 |
| 5259968 | Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product | Antonio Gutierrez, Robert D. Lundberg | 1993-11-09 |
| 5256325 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Robert D. Lundberg, Antonio Gutierrez | 1993-10-26 |
| 5230817 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Robert D. Lundberg, Antonio Gutierrez | 1993-07-27 |
| 5225092 | Ethylene alpha-olefin polymer substituted amine dispersant additives | Alan M. Schilowitz, Antonio Gutierrez, Won R. Song | 1993-07-06 |
| 5217634 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same | Antonio Gutierrez, Robert D. Lundberg | 1993-06-08 |
| 5205947 | Dispersant additives comprising amine adducts of dicarboxylic acid monoepoxy thiol reaction products | Robert D. Lundberg | 1993-04-27 |
| 5158696 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds | Antonio Gutierrez, Robert D. Lundberg | 1992-10-27 |
| 5118432 | Dispersant additive mixtures for oleaginous compositions | Malcolm Waddoups, Robert D. Lundberg | 1992-06-02 |
| 5085788 | Oil soluble dispersant additives useful in oleaginous compositions | Robert D. Bundberg | 1992-02-04 |