Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880820 | Guanine derivatives | Laura F. Canning, Arthur K. Field, Richard L. Tolman | 1989-11-14 |
| 4863927 | 1-(2-hydroxymethyl)cycloalkylmethyl)-5-substituted uracils | Richard L. Tolman | 1989-09-05 |
| 4859680 | Pyrimidine derivatives as antiviral compounds | Edward Walton, Richard L. Tolman | 1989-08-22 |
| 4816447 | Anti-viral guanine compounds | Arthur K. Field, John D. Karkas, Richard L. Tolman | 1989-03-28 |