Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661606 | Extraction of amino acids from aqueous mixtures and quaternary ammonium salt intermediates produced therein | Francis W. Tuominen, Ronald R. Swanson, Kenneth Mackay, Bradley W. Glorvigen | 1987-04-28 |
| 4599457 | Process of preparing hydroxyarylaldehydes | Leroy O. Krbechek | 1986-07-08 |