Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210192 | Process for the preparation of 3,7-dialkylxanthines | Herbert Gropp, Lothar Janitschke, Ulrich Karl, Hans-Heinrich Lenz | 1993-05-11 |
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Skip to contentShowing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210192 | Process for the preparation of 3,7-dialkylxanthines | Herbert Gropp, Lothar Janitschke, Ulrich Karl, Hans-Heinrich Lenz | 1993-05-11 |