Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966657 | Process for separating ethylene oxide from aldehyde impurities by distillation | Francis Delannoy | 1990-10-30 |
| 4717703 | Process for making ethylene oxide catalyst | Jean-Marie Cognion | 1988-01-05 |