Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654252 | Process for starting a hydrocarbon conversion by the prior treatment of the catalyst with a sulphur agent and then diluted hydrogen | Hans Rabehasaina, Georges Berrebi | 1997-08-05 |
| 5592748 | Heat treatment of solid catalyst or adsorbent particles in the presence of fluid in a vibrating helical coil | Martin Mitzkat, Francois Ackermann | 1997-01-14 |