Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663338 | Process for preparing 2-amino-6-chloropurine | Rainer Sobotta | 1997-09-02 |
| 5264573 | Process for preparing 2-chloro-1,7-dihydropurin-6-one and a process for its purification | Albrecht Christmann | 1993-11-23 |