Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882132 | Solvent extraction of cobalt using hydroxamic acids | Arthur R. Henn | 1989-11-21 |
| 4759917 | Oxidative dissolution of gallium arsenide and separation of gallium from arsenic | James P. Coleman | 1988-07-26 |
| 4741887 | Gallium complexes and solvent extraction of gallium | James P. Coleman, Charles R. Graham | 1988-05-03 |
| 4567284 | Cobalt complex of N-alkylalkanohydroxamic acid | Arthur R. Henn | 1986-01-28 |