Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889700 | Process and device for selective extraction of H.sub.2 S from an H.sub.2 S-containing gas | Jean Elgue, Olivier Oliveau | 1989-12-26 |
| 4844876 | Process and device for selective extraction of H.sub.2 S from an H.sub.2 S-containing gas | Olivier Oliveau | 1989-07-04 |