Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243093 | Process and composition | Gaylord M. Kissinger | 1993-09-07 |
| 5008016 | Liquid/liquid extraction of gallium values from basic aqueous solutions thereof | Alfred Altorfer, Ernst Wohler | 1991-04-16 |
| 4678648 | Method and apparatus for selective absorption of hydrogen sulphide from gas streams containing hydrogen sulphide and carbon dioxide | — | 1987-07-07 |
| 4587111 | Method of liquid-liquid extraction of gallium from a basic aqueous solution | — | 1986-05-06 |
| 4376653 | Process for the production of nickel, high-purity magnesium oxide and cement | Michal Zabelka | 1983-03-15 |