Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462682 | Colloidal products containing calcium and/or magnesium, as well as sulfur and nitrogen, their preparation and their use particularly as additives in lubricating oils | Bruno Delfort, Jacques Lallement, Maurice Born, Pierre Marchand, Jean-Claude Hipeaux | 1995-10-31 |