Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749948 | Nitrogen-containing dispersant as an ashless TBN booster for lubricants | Ewa A. Bardasz, Virginia A. Carrick, Renee A. Eveland, Douglas Barr, Matthew D. Gieselman | 2010-07-06 |
| 7750089 | Dispersant viscosity modifiers based on diene-containing polymers | Christopher J. Kolp, Matthew D. Gieselman, Renee A. Eveland, Philip Pike, Michael J. Covitch +1 more | 2010-07-06 |
| 7615521 | Mixed dispersants for lubricants | Renee A. Eveland, Frederick W. Koch, Robert I. Wilby, Virginia A. Carrick, William D. Abraham +1 more | 2009-11-10 |
| 7417012 | Slow release lubricant additives gel | James D. Burrington, Bruce H. Grasser, Herman F. George, John R. Martin, James P. Roski +2 more | 2008-08-26 |
| 7402186 | Fuel composition containing a medium substantially free of sulphur and process thereof | David L. Spivey, Robert H. Barbour, William B. Chamberlin, III | 2008-07-22 |
| 7384896 | Controlled release of additive gel(s) for functional fluids | Herman F. George, James D. Burrington, James P. Roski, John R. Martin, Jennifer Ineman +3 more | 2008-06-10 |
| 7238650 | Low-chlorine, polyolefin-substituted, with amine reacted, alpha-beta unsaturated carboxylic compounds | Raymond Calder, Steven A. Goodlive, Jeffry G. Dietz, Wolfie Kotzen, Brent R. Dohner +1 more | 2007-07-03 |
| 6843916 | Slow release lubricant additives gel | James D. Burrington, Bruce H. Grasser, Herman F. George, John R. Martin, James P. Roski +2 more | 2005-01-18 |
| 6588393 | Low-sulfur consumable lubricating oil composition and a method of operating an internal combustion engine using the same | William B. Chamberlin, III | 2003-07-08 |
| 6500898 | Dispersants prepared from high polydispersity olefin polymers | John R. Johnson, James D. Burrington, Christopher J. Kolp, Jeffry G. Dietz, Gregory R. McCullough +2 more | 2002-12-31 |
| 6412468 | Method of operating an internal combustion engine | William B. Chamberlin, III | 2002-07-02 |
| 6408812 | Method of operating spark-ignition four-stroke internal combustion engine | William B. Chamberlin, III, George S. Szappanos | 2002-06-25 |
| 6407170 | Dispersants prepared from high polydispersity olefin polymers | John R. Johnson, James D. Burrington, Christopher J. Kolp, Jeffry G. Dietz, Gregory R. McCullough +2 more | 2002-06-18 |
| 6211122 | Carboxylic compositions and derivatives thereof and use as lubricating oil and fuel additives | Jeffry G. Dietz, Matthew R. Sivik | 2001-04-03 |
| 6077909 | Low chlorine content compositions for use in lubricants and fuels | Christopher J. Kolp, Jeffry G. Dietz, Charles K. Baumanis, Stuart L. Bartley, James D. Burrington | 2000-06-20 |
| 6030929 | Mixed carboxylic compositions and derivatives and use as lubricating oil and fuel additives | — | 2000-02-29 |
| 5885944 | Low chlorine polyalkylene substituted carboxylic acylating agent compositions and compounds derived therefrom | Matthew R. Sivik, Kurt F. Wollenberg, Richard Yodice, Jerry L. Rutter, Jeffry G. Dietz | 1999-03-23 |