Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879384 | Preparation of thiocycloalkno [3,2-b] pyridines | Charles F. Schwender | 1989-11-07 |
| 4845225 | Substituted thiacycloalkeno [3,2-b] pyridines | Charles F. Schwender | 1989-07-04 |