| 6569821 |
Overbased metal detergents |
Tuncel Ibrahim, Phillip Skinner, Jane Galsworthy, Christopher Adams, Rudi ter Haar |
2003-05-27 |
| 6211123 |
Lubricating oil compositions |
Alisdair Brown, Ian Bell, Jose Manuel Gomes, Edward I. Stiefel, Jonathan M. McConnachie |
2001-04-03 |
| 6153564 |
Lubricating oil compositions |
Velautha-Cumaran Arunasalam, Ian Bell, Ronald P. Wangner |
2000-11-28 |
| 5922655 |
Magnesium low rate number sulphonates |
Dominique Moulin, Charles Herbert Bovington |
1999-07-13 |
| 5883056 |
Magnesium low base number sulphonates |
Dominique Moulin, Charles Herbert Bovington |
1999-03-16 |
| 5534168 |
Preparation of overbased magnesium sulphonates |
Robert A. Wardle, Joseph M. Swietlik, John F. Marsh, Jeremy Spencer |
1996-07-09 |
| 4957642 |
Magnesium phenate detergents |
John F. Marsh, Philip Skinner, Gaynor M. Miasik |
1990-09-18 |
| 4839094 |
Overbased alkali metal additives |
John F. Marsh |
1989-06-13 |
| 4797217 |
Overbased additives |
— |
1989-01-10 |
| 4557872 |
Basic alkaline earth metal sulphonates |
John F. Marsh, Dennis J. Simpkin |
1985-12-10 |