Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862954 | Exchanger and method for achieving heat transfer from solid particles | Hervee Hellio, Gerard Martin, Renaud Pontier | 1989-09-05 |
| 4861458 | Process for catalytic cracking of a hydrocarbon charge subjected to a pretreatment with solid particles of low activity | Gerard Martin | 1989-08-29 |