Swinkels; Godefridus M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Swinkels; Godefridus M..The latest application filed is for "separation and purification of salts in a non-convective solar pond".
- Swinkels; Godefridus M. - Rossland CA
| Patent | Date |
|---|---|
| Separation and purification of salts in a non-convective solar pond Grant 4,569,676 - Swinkels , et al. February 11, 1 | 1986-02-11 |
| Process for the recovery of sodium carbonate from salt mixtures Grant 4,564,508 - Fairweather , et al. January 14, 1 | 1986-01-14 |
| Process for the precipitation of iron as jarosite Grant 4,193,970 - Sefton , et al. March 18, 1 | 1980-03-18 |
| Leaching of metal sulphides Grant 4,192,851 - Hirsch , et al. March 11, 1 | 1980-03-11 |
| Hydrometallurgical process for treating metal sulfides containing lead sulfide Grant 4,082,629 - Milner , et al. April 4, 1 | 1978-04-04 |
| Hydrometallurgical process for treating copper-iron sulphides Grant 3,891,522 - McKay , et al. June 24, 1 | 1975-06-24 |
| Hydrometallurgical Process For Extraction Of Copper And Sulphur From Copper Iron Sulphides Grant 3,816,105 - McKay , et al. June 11, 1 | 1974-06-11 |
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