Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318717 | Method for the treatment of an impure gas stream and apparatus therefor | — | 1982-03-09 |
| 4317807 | Air cooling during the production of phosphoric acid | Jean-Francois Gielly, Dominique Lizee | 1982-03-02 |