Stiksma; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stiksma; John.The latest application filed is for "recovering metals from complex metal sulfides".
- Stiksma; John - St. Albert CA
| Patent | Date |
|---|---|
| Recovering metals from complex metal sulfides Grant 8,221,710 - Stiksma , et al. July 17, 2 | 2012-07-17 |
| Process for separating and recovering base metals from used hydroprocessing catalyst Grant 7,846,404 - Bhaduri , et al. December 7, 2 | 2010-12-07 |
| Process for separating and recovering base metals from used hydroprocessing catalyst Grant 7,837,960 - Bhaduri , et al. November 23, 2 | 2010-11-23 |
| Recovering Metals From Complex Metal Sulfides App 20100199807 - Stiksma; John ; et al. | 2010-08-12 |
| Selective precipitation of manganese from magnesium-containing solutions Grant 6,656,247 - Genik-Sas-Berezowsky , et al. December 2, 2 | 2003-12-02 |
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