Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5534168 | Preparation of overbased magnesium sulphonates | John A. Cleverley, Joseph M. Swietlik, John F. Marsh, Jeremy Spencer | 1996-07-09 | $165,327,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5534168 | Preparation of overbased magnesium sulphonates | John A. Cleverley, Joseph M. Swietlik, John F. Marsh, Jeremy Spencer | 1996-07-09 | $165,327,000 |