Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892976 | Process for the preparation of aldehydes | Jean Cordier, Francis Petit, Yves Castanet, Serge Melloul, Andre Mortreux | 1990-01-09 |
| 4867848 | Process and apparatus for producing moulded coke in a vertical furnace which is at least partly electrically heated | Jean Cordier, Pierre Rollot | 1989-09-19 |