Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117825 | Polyisobutylene succinimide and ethylene-propylene succinimide synergistic additives for lubricating oils compositions | Cyril A. Migdal, Norris Roland Crawford, Roy Isamu Yamamota | 2000-09-12 |
| 5567211 | Motor fuel detergent additives | Joseph M. Russo, Thomas F. DeRosa, Benjamin J. Kaufman, Scott O. Lindholm, James R. Ketcham | 1996-10-22 |
| 5520829 | Lubricating oil containing dispersant viscosity index improver | Maria M. Kapuscinski, Larry D. Grina, Ronald E. Jones | 1996-05-28 |
| 5445750 | Lubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acid | Harry Chafetz, Brian L. Papke, Thomas A. Kennedy | 1995-08-29 |
| 5075383 | Dispersant and antioxidant additive and lubricating oil composition containing same | Cyril A. Migdal, Theodore E. Nalesnik, Nicholas Benfaremo | 1991-12-24 |
| 4948524 | Dispersant anti-oxidant VI improver and lubricating oil composition containing same | Maria M. Kapuscinski, Theodore E. Nalesnik, Robert T. Biggs, Harry Chafetz | 1990-08-14 |
| 4904404 | Lubricating oil containing viscosity index improver | Nicholas Benfaremo, Maria M. Kapuscinski, Larry D. Grina | 1990-02-27 |
| 4877834 | Lubricating oil containing a Mannich base | Donald J. Clarke, Larry D. Grina | 1989-10-31 |
| 4845157 | Diesel fuel compositions containing polyolefin graft polymers | Mark Levin, Constance A. Gallagher, William A. Buscher, Jr. | 1989-07-04 |
| 4842756 | Multifunctional viscosity index improver | Maria M. Kapuscinski, Larry D. Grina, Ronald E. Jones | 1989-06-27 |
| 4836943 | Anti-oxidant system | Maria M. Kapuscinski, Ronald E. Jones, Larry D. Grina | 1989-06-06 |
| 4826613 | Lubricating oil containing dispersant viscosity index improver | William P. Hart | 1989-05-02 |
| 4812261 | Lubricating oil containing viscosity index improver | Nicholas Benfaremo, Maria M. Kapuscinski, Larry D. Grina | 1989-03-14 |
| 4798678 | Hydrocarbon containing anti-oxidant system | Larry D. Grina, Maria M. Kapuscinski | 1989-01-17 |
| 4795577 | Lubricating oil containing dispersant viscosity index improver | William P. Hart, Maria M. Kapuscinski | 1989-01-03 |
| 4790948 | Lubricating oil containing dispersant viscosity index improver | William P. Hart, Maria M. Kapuscinski | 1988-12-13 |
| 4780230 | Lubricating oil containing a mannich base | Donald J. Clarke, Larry D. Grina | 1988-10-25 |
| 4769043 | Oil containing dispersant VII olefin copolymer | Maria M. Kapusciniski, Benjamin J. Kaufman | 1988-09-06 |
| 4767553 | Lubricating oil containing dispersant viscosity index improver | William P. Hart, Maria M. Kapuscinski | 1988-08-30 |
| 4764304 | Hydrocarbon compositions containing polyolefin graft polymers | Maria M. Kapuscinski, William P. Hart | 1988-08-16 |
| 4732942 | Hydrocarbon compositions containing polyolefin graft polymers | Benjamin J. Kaufman, Maria M. Kapucinski | 1988-03-22 |
| 4715975 | Oil containing dispersant VII olefin copolymer | Maria M. Kapusciniski, Benjamin J. Kaufman | 1987-12-29 |
| 4668412 | Lubricating oil containing dispersant VII and pour depressant | William P. Hart | 1987-05-26 |
| 4640788 | Hydrocarbon compositions containing polyolefin graft polymers | Maria M. Kapuscinski, William P. Hart, Larry D. Grina | 1987-02-03 |
| 4500440 | Reaction products of glycidyl derivatized polyolefins and 5-aminotetrazoles and lubricating oils containing same | Benjamin J. Kaufman, Rodney L. Sung | 1985-02-19 |