Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679876 | Purification of pentafluoroethane | Serge Hub | 1997-10-21 |
| 5674465 | Continuous process for the preparation of aluminum nitride by the carbonitriding of alumina | Roland Bachelard, Jean-Pierre Disson, Philippe Joubert | 1997-10-07 |