Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286472 | High efficiency process for producing high purity alumina | — | 1994-02-15 |
| 5118484 | Desilication of Bayer process solutions | Kwat I. The | 1992-06-02 |
| 5051243 | Process for increasing the specific gravity of red mud solids | Anwer Mujahid Khan | 1991-09-24 |
| 5030424 | Recovery of rare earth elements from Bayer process red mud | Gordon Lever, Taichi Sato | 1991-07-09 |
| 5027891 | Method for transferring heat between process liquor streams | David R. Chinloy | 1991-07-02 |
| 5015447 | Recovery of rare earth elements from sulphurous acid solution by solvent extraction | Gordon Lever, Taichi Sato | 1991-05-14 |
| 4994244 | Process for producing alumina from bauxite | David R. Chinloy, Pierre G. Cousineau, Stephen Ostap | 1991-02-19 |