Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660774 | Use of (+)-tramadol, O-demethyltramadol or (+)-O-demethyl-tramadol, O-desmethyl-N-mono-desmethyl-tramadol or (+)- O-desmethyl-N-mono-desmethyltramadol | Elmar Friderichs | 2003-12-09 |