Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942471 | Dispersant and antioxidant VI improvers based on olefin copolymers containing phenothiazine and aromatic amine groups | Maria M. Kapuscinski | 1999-08-24 |
| 5424366 | Multifunctional viscosity index improver containing phenothiazine | Maria M. Kapuscinski, Theodore E. Nalesnik, Benjamin J. Kaufman | 1995-06-13 |
| 5374364 | Multifunction viscosity index improvers | Maria M. Kapuscinski, Nicholas Benfaremo | 1994-12-20 |
| 5356999 | Multifunctional viscosity index improvers based on polymers containing sulfonamides | Maria M. Kapuscinski, Benjamin J. Kaufman | 1994-10-18 |
| 5275746 | Multifunctional viscosity index improver containing phenothiazine | Maria M. Kapuscinski, Benjamin J. Kaufman, Theodore E. Nalesnik | 1994-01-04 |
| 5200100 | Multifunctional viscosity index improver containing phenothiazine | Maria M. Kapuscinski, Theodore E. Nalesnik, Benjamin J. Kaufman | 1993-04-06 |
| 5135671 | Multifunctional viscosity index improver containing units from unsaturated chlorides and aromatic amines | Maria M. Kapuscinski, Theodore E. Nalesnik, Raymond C. Schlicht | 1992-08-04 |
| 5094766 | Dispersant-antioxidant viscosity index improver | Maria M. Kapuscinski, Theodore E. Nalesnik | 1992-03-10 |
| 5021177 | Dispersant-antioxidant multifunctional viscosity index improver | Maria M. Kapuscinski, Thomas F. DeRosa, Theodore E. Nalesnik | 1991-06-04 |
| 4948524 | Dispersant anti-oxidant VI improver and lubricating oil composition containing same | Maria M. Kapuscinski, Theodore E. Nalesnik, Harry Chafetz, Christopher S. Liu | 1990-08-14 |