Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652190 | Method for regenerating magnetic polyamine-epichlorohydrin resin | Robert L. Kochen | 1997-07-29 |
| 5595666 | Removal of radioactive materials and heavy metals from water using magnetic resin | Robert L. Kochen | 1997-01-21 |