Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919337 | 8-Quinolinxanthine and 8-isoquinolinxanthine derivatives as PDE 5 inhibitors | Stephen Paul Collingwood, Robin Alec Fairhurst, Sylvie Gomez, Ret Naef, David Andrew Sandham | 2005-07-19 |