Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569676 | Separation and purification of salts in a non-convective solar pond | Abraham Sadan, Michael A. Rockandel, Hans Rensing | 1986-02-11 |
| 4564508 | Process for the recovery of sodium carbonate from salt mixtures | Michael J. Fairweather, Michael A. Rockandel, Abraham Sadan | 1986-01-14 |
| 4525332 | Recovery of germanium from aqueous solutions | Daniel A. D. Boateng, Donald L. Ball | 1985-06-25 |
| 4263109 | Precipitation of chloride from zinc sulphate solution | Horst E. Hirsch, Michael J. Fairweather, Ernest G. Parker | 1981-04-21 |
| 4201748 | Process for thermal-activation of chalcopyrite-pyrite concentrates | Dennis G. Maschmeyer | 1980-05-06 |
| 4193970 | Process for the precipitation of iron as jarosite | Verner B. Sefton, Charles R. Kirby, Roman M. Genik-Sas-Berezowsky | 1980-03-18 |
| 4192851 | Leaching of metal sulphides | Horst E. Hirsch, John F. Higginson, Ernest G. Parker | 1980-03-11 |