Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205949 | Dispersant and VI improver additive and lubrication oil composition containing same | Benjamin J. Kaufman, James G. Dadura | 1993-04-27 |
| 5200100 | Multifunctional viscosity index improver containing phenothiazine | Maria M. Kapuscinski, Robert T. Biggs, Benjamin J. Kaufman | 1993-04-06 |
| 5188745 | Viton seal compatible dispersant and lubricating oil composition containing same | Cyril A. Migdal | 1993-02-23 |
| 5182041 | Dispersant - anti-oxidant additive and lubricating oil composition containing same | Nicholas Benfarmeo | 1993-01-26 |
| 5169546 | Multifunctional viscosity index improvers having dispersant and antioxidant properties and lubricating oil composition containing same | Sheldon Herbstman | 1992-12-08 |
| 5162086 | Dispersant additive and lubricating oil composition containing same | Cyril A. Migdal, Maria M. Kapuscinski | 1992-11-10 |
| 5160446 | Dispersant, VI improver and antioxidant additive, and lubricating oil composition containing same | Maria M. Kapuscinski | 1992-11-03 |
| 5139688 | Dispersant and antioxidant additive and lubricating oil composition containing same | — | 1992-08-18 |
| 5135671 | Multifunctional viscosity index improver containing units from unsaturated chlorides and aromatic amines | Maria M. Kapuscinski, Robert T. Biggs, Raymond C. Schlicht | 1992-08-04 |
| 5102570 | Acylated mannich base mono and/or bis-succinimide lubricating oil additives | Cyril A. Migdal, Richard A. Abramshe | 1992-04-07 |
| 5094766 | Dispersant-antioxidant viscosity index improver | Maria M. Kapuscinski, Robert T. Biggs | 1992-03-10 |
| 5094765 | Lubricating oil composition | Thomas F. DeRosa, Maria M. Kapuscinski, Rosemary J. Jennejahn | 1992-03-10 |
| 5075383 | Dispersant and antioxidant additive and lubricating oil composition containing same | Cyril A. Migdal, Nicholas Benfaremo, Christopher S. Liu | 1991-12-24 |
| 5057123 | Method of stabilizing diesel fuels | Sheldon Herbstman | 1991-10-15 |
| 5039307 | Diesel fuel detergent additive | Sheldon Herbstman, Kashmir S. Virk, Nicholas Benfaremo | 1991-08-13 |
| 5030249 | Gasoline detergent additive | Sheldon Herbstman, Thomas Hayden, Nicholas Benfaremo | 1991-07-09 |
| 5021177 | Dispersant-antioxidant multifunctional viscosity index improver | Maria M. Kapuscinski, Thomas F. DeRosa, Robert T. Biggs | 1991-06-04 |
| 5013469 | VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same | Thomas F. DeRosa, Benjamin J. Kaufman | 1991-05-07 |
| 5000759 | Stable middle distillate fuel-oil compositions | Sheldon Herbstman | 1991-03-19 |
| 4990274 | Flowable graft and derivatized polymer concentrate and lubricant containing same | — | 1991-02-05 |
| 4973412 | Multifunctional lubricant additive with Viton seal capability | Cyril A. Migdal | 1990-11-27 |
| 4948524 | Dispersant anti-oxidant VI improver and lubricating oil composition containing same | Maria M. Kapuscinski, Robert T. Biggs, Harry Chafetz, Christopher S. Liu | 1990-08-14 |
| 4941985 | Dispersant/antioxidant VII lubricant additive | Nicholas Benfaremo, Maria M. Kapuscinski | 1990-07-17 |
| 4927562 | Elastomer-compatible oxalic acid acylated alkenylsuccinimides | Thomas J. Karol | 1990-05-22 |
| 4919685 | Stable middle distillate fuel-oil compositions | Sheldon Herbstman | 1990-04-24 |