Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534171 | Process for making a polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof | Thomas F. DeRosa, Nicholas Benfaremo, Maria M. Kapuscinski, Benjamin J. Kaufman | 1996-07-09 |
| 5472627 | Polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof | Thomas F. DeRosa, Nicholas Benfaremo, Maria M. Kapuscinski, Benjamin J. Kaufman | 1995-12-05 |
| 5440000 | Dispersant/antioxidant VII lubricant additive | Shailaja M. Shirodkar, Nicholas Benfaremo | 1995-08-08 |
| 5308523 | VI improver, dispersant, and antioxidant additive and lubricating oil composition | Thomas F. DeRosa, Ronald W. Von Allmen, Benjamin J. Kaufman | 1994-05-03 |
| 5167845 | Polymeric additives to enhance anti-wear, anti-oxidancy, and dispersancy in lubricants | Thomas F. DeRosa, Rodney L. Sung, Benjamin J. Kaufman | 1992-12-01 |
| 5147571 | Dispersant, VI improver, additive and lubricating oil composition containing same | Thomas F. DeRosa, Benjamin J. Kaufman | 1992-09-15 |
| 5147569 | Lubricant additive to enhance anti-wear, anti-oxidancy, and dispersancy thereof | Thomas F. DeRosa, Benjamin J. Kaufman | 1992-09-15 |
| 5141661 | Wear resistant lubricant additives made of ethylene/.alpha.-olefin polymer grafted with perfluoro-substituents | Thomas F. DeRosa, Benjamin J. Kaufman, Joseph M. Russo | 1992-08-25 |
| 5112508 | VI improver, dispersant, and antioxidant additive and lubricating oil composition | Thomas F. DeRosa, Ronald W. Von Allmen, Benjamin J. Kaufman | 1992-05-12 |
| 5094765 | Lubricating oil composition | Thomas F. DeRosa, Maria M. Kapuscinski, Theodore E. Nalesnik | 1992-03-10 |
| 5035819 | Dispersant, VI improver, additive and lubricating oil composition containing same | Thomas F. DeRosa, Benjamin J. Kaufman | 1991-07-30 |
| 5019287 | Enhanced wear resistant additive and lubrication oil composition containing same | Thomas F. DeRosa, Benjamin J. Kaufman | 1991-05-28 |
| 4973413 | Multifunctional viscosity index improver additive and lubricating oil composition containing same | Thomas F. DeRosa, Benjamin J. Kaufman, Edward F. Miller | 1990-11-27 |