Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245724 | Preparation of sulfurized phenol additives intermediates and compositions | Philip Skinner, David Robert Adams | 2001-06-12 |
| 5827806 | Preparation of sulfurized phenol additives intermediates and compositions | Philip Skinner, David Robert Adams | 1998-10-27 |
| 4557872 | Basic alkaline earth metal sulphonates | John F. Marsh, John A. Cleverley | 1985-12-10 |