Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108635 | Viscosity additive for lubricating oils, process for its preparation and lubricating compositions based on the said additive | Claudie Willemin, Bernard Chauvel | 1992-04-28 |
| 4791221 | Transesterification of methyl methacrylate | — | 1988-12-13 |