Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486402 | Process for the preparation of high purity aluminas starting from impure aluminum chloride solutions | Bernard Gurtner, Roland Bachelard | 1984-12-04 |
| 4377566 | Novel process for the preparation of high purity alumina from ammonium alum | Roland Bachelard | 1983-03-22 |