Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041231 | Process for preparing an additive for lubricating oils, the additive thus obtained and a lubricating composition containing the additive | Bernard Damin, Daniele Eber, Roger Gallo, Paul Maldonado | 1991-08-20 |
| 4749499 | Method for preparing very fluid overbased additives having a high basicity and composition containing the additives | Bernard Damin, Roger Gallo, Paul Maldonado, Pierre Hoornaert | 1988-06-07 |