Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201127 | Process for preparing benzyl-substituted rhodanine derivatives | James Densmore Copp, Francis O Ginah, Marvin M. Hansen, Douglas P. Kjell | 2001-03-13 |
| 6090168 | Processes and intermediates useful to make antifolates | Douglas P. Kjell, Charles J. Barnett | 2000-07-18 |
| 6013828 | Processes and intermediates useful to make antifolates | Douglas P. Kjell, Charles J. Barnett | 2000-01-11 |