Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622615 | Process for electrowinning of copper matte | Sharon K. Young, Jinxing Ji | 1997-04-22 |
| 5582737 | Ion exchange and regeneration process for separation and removal of iron (III) ions from aqueous sulfuric acid metal ion-containing solutions | Michael J. Gula, E. Philip Horwitz | 1996-12-10 |
| 5536297 | Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching | Andrew R. Marchbank, Kenneth G. Thomas, Christopher Andrew Fleming | 1996-07-16 |
| 5366715 | Method for selectively removing antimony and bismuth from sulphuric acid solutions | Brenna J. Y. Leong | 1994-11-22 |