Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837365 | Chlorinated .beta.-ketoesters, their preparation and their use | — | 1989-06-06 |
| 4806280 | Process for the preparation of unsaturated compound .alpha.-chlorinated with respect to two electron-attracting groups in a .beta.-position | Gerard Mignani | 1989-02-21 |
| 4795538 | Electrochemical process for recovering metallic rhodium from aqueous solutions of spent catalysts | Marie-Celine Caude, Jean-Pierre Pulicani | 1989-01-03 |