Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739331 | Process for converting a xanthine ring or xanthine ring derivatives into dialkylaminoxanthine derivatives | Fernand Thyrion, Hong Yang | 1998-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739331 | Process for converting a xanthine ring or xanthine ring derivatives into dialkylaminoxanthine derivatives | Fernand Thyrion, Hong Yang | 1998-04-14 |