Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852679 | Lubricating oil composition | Rolfe J. Hartley, Ricardo Bloch, Roger Glyde, Robert Robson | 2005-02-08 |
| 6723685 | Lubricating oil composition | Rolfe J. Hartley | 2004-04-20 |
| 6642188 | Lubricating oil composition for outboard engines | Rolfe J. Hartley, Salvatore Rea | 2003-11-04 |
| 6500786 | Lubricating oil composition | Rolfe J. Hartley | 2002-12-31 |
| 6355074 | Oil soluble dispersant additives useful in oleaginous compositions | Jacob Emert, Robert D. Lundberg | 2002-03-12 |
| 6333298 | Molybdenum-free low volatility lubricating oil composition | Rolfe J. Hartley, Taisuke Miyoshi | 2001-12-25 |
| 6300291 | Lubricating oil composition | Rolfe J. Hartley, Ian Bell, Thomas R. Bidwell, Gordon R. Farnsworth, Taisuke Miyoshi | 2001-10-09 |
| 6127321 | Oil soluble dispersant additives useful in oleaginous compositions | Jacob Emert, Robert D. Lundberg | 2000-10-03 |
| 6074993 | Lubricating oil composition containing two molybdenum additives | Rolfe J. Hartley, Taisuke Miyoshi | 2000-06-13 |
| 6051537 | Dispersant additive mixtures for oleaginous compositions | Jacob Emert, Robert D. Lundberg | 2000-04-18 |
| 6004910 | Crankcase lubricant for modern heavy duty diesel and gasoline fueled engines | Ricardo Bloch, Arunas T. Lapinas, Edward Francis Outten, Andrew Ritchie | 1999-12-21 |
| 5571950 | Method for testing soot-related viscosity increase | Arunas T. Lapinas | 1996-11-05 |
| 5451333 | Haze resistant dispersant-detergent compositions | Barry J. Howlett | 1995-09-19 |
| 5439604 | Oil soluble additives useful in oleaginous compositions | Jacob Emert, Antonio Gutierrez, Robert D. Lundberg | 1995-08-08 |
| 5312554 | Process for preparing stable oleaginous compositions | Barry J. Howlett | 1994-05-17 |
| 5118432 | Dispersant additive mixtures for oleaginous compositions | Jacob Emert, Robert D. Lundberg | 1992-06-02 |
| 5049290 | Amine compatibility aids in lubricating oil compositions | Jacob Emert | 1991-09-17 |
| 5043083 | Method for preparing salts of polyolefinic substituted dicarboxylic acids in oleaginous mixtures of reduced viscosity | Laura J. Colcord, Jacob Emert, Robert D. Lundberg | 1991-08-27 |
| 5021173 | Friction modified oleaginous concentrates of improved stability | Jacob Emert | 1991-06-04 |
| 5013467 | Novel oleaginous composition additives for improved rust inhibition | Jacob Emert | 1991-05-07 |
| 4938880 | Process for preparing stable oleaginous compositions | Barry J. Howlett | 1990-07-03 |
| 4915857 | Amine compatibility aids in lubricating oil compositions | Jacob Emert | 1990-04-10 |
| 4863624 | Dispersant additives mixtures for oleaginous compositions | Jacob Emert, Robert D. Lundberg | 1989-09-05 |
| 4839073 | Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer additives in lubricating oil compositions | Antonio Gutierrez, Jacob Emert, Robert A. Kleist | 1989-06-13 |