Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356552 | Chlorine-free lubricating oils having modified high molecular weight succinimides | William R. Ruhe, Jr., Jack E. Morris, Jacques Cazin | 1994-10-18 |
| 5334321 | Modified high molecular weight succinimides | William R. Ruhe, Jr. | 1994-08-02 |
| 5319030 | One-step process for the preparation of alkenyl succinic anhydride | William R. Ruhe, Jr. | 1994-06-07 |
| 5286799 | Two-step free radical catalyzed process for the preparation of alkenyl succinic anhydride | William R. Ruhe, Jr. | 1994-02-15 |