Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688947 | Production of purines via reductive formylation | Jurgen Graefe | 1997-11-18 |
| 5648490 | Process for the preparation of 5-formylaminopyrimidines | Jurgen Graefe | 1997-07-15 |
| 5591859 | Process for the production of 2-cyanoiminothiazolidine | — | 1997-01-07 |