Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880552 | Water-soluble additives having extreme pressure effect for aqueous functional fluids, functional fluids and concentrated aqueous compositions containing the additives | Tetsuchi Kawamura, Gerard Savin, Sabine Poncet, Charles Castera | 1989-11-14 |
| 4554137 | Enrichment of minerals by flotation and collector agents employed for this purpose | Jacques Maurice, Pierre Tozzolino, Guy Muller | 1985-11-19 |