Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828345 | O-substituted 6-methyltramadol derivatives | Helmut Buschmann, Elmar Friderichs, Dagmar Kaulartz | 2004-12-07 |
| 6710080 | Substituted 2-dialkylaminoalkylbiphenyl derivatives | Bernd Sundermann, Helmut Buschmann | 2004-03-23 |
| 6673794 | Substituted aminomethyl-phenyl-cyclohexane derivatives | Claudia Puetz, Wolfgang Strassburger | 2004-01-06 |