Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916536 | Production of calcined alumina with a crystallite size which can be regulated with a narrow dispersion | Jean-Michel Lamerant | 1999-06-29 |
| 5628972 | Process for removing iron in sodium aluminate liquors obtained from alkaline attack of bauxite containing alumina monohydrate | Jean-Michel Lamerant | 1997-05-13 |
| 4607512 | Process for manufacturing a cookery vessel | — | 1986-08-26 |
| 4508100 | Method for enameling the bottom face of a culinary vessel of aluminum or aluminum alloy and a culinary vessel obtained in accordance with said method | — | 1985-04-02 |