Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725673 | Lubricant compositions for improved engine performance | Jeremy Styer | 2017-08-08 |
| 9663743 | Lubricating method and composition for reducing engine deposits | Ian Bell, John T. Loper, William Y. Lam, Gregory H. Guinther | 2017-05-30 |
| 8093189 | Lubricating oil compositions for inhibiting coolant-induced oil filter plugging | Cathy C. Devlin, Charles A. Passut | 2012-01-10 |
| 7863228 | Additives for lubricants and fuels | John T. Loper, David A. Hutchison, Robert T. Dittmeier | 2011-01-04 |
| 7361629 | Additives for lubricants and fuels | John T. Loper, David A. Hutchison, Robert T. Dittmeier | 2008-04-22 |
| 7001452 | Polymeric wood preservative compositions | Jun Zhang, Robert M. Leach | 2006-02-21 |
| 6843837 | Polymeric wood preservative compositions | Jun Zhang, Robert M. Leach | 2005-01-18 |
| 5403960 | Process for sulfurized olefinic product | Abbas Kadkhodayan | 1995-04-04 |
| 5380448 | Process for metal salts of hydrocarbyl dithiophosphoric acid | Abbas Kadkhodayan, Dale G. Pillsbury | 1995-01-10 |
| 5241003 | Ashless dispersants formed from substituted acylating agents and their production and use | David J. Degonia | 1993-08-31 |
| 5137978 | Substituted acylating agents and their production | David J. Degonia | 1992-08-11 |
| 5137980 | Ashless dispersants formed from substituted acylating agents and their production and use | David J. Degonia | 1992-08-11 |
| 5071919 | Substituted acylating agents and their production | David J. Degonia | 1991-12-10 |
| 4966720 | Oil soluble sulfurized olefins and two temperature zone process for their preparation | David J. Degonia | 1990-10-30 |
| 4563302 | Sulfurized olefin process | William Y. Lam | 1986-01-07 |