Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886888 | Extraction of amino an acid from aqueous mixtures thereof | Francis W. Tuominen, Ronald R. Swanson, Phillip L. Mattison, Kenneth Mackay | 1989-12-12 |
| 4661606 | Extraction of amino acids from aqueous mixtures and quaternary ammonium salt intermediates produced therein | Francis W. Tuominen, Ronald R. Swanson, Phillip L. Mattison, Kenneth Mackay | 1987-04-28 |