Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538135 | Method for producing 4-amino-5-chloro-1-phenyl pyridazinone-(6) | Hans Rupert Merkle, Erich Fretschner, Helmut Fröhlich | 2003-03-25 |
KH
Klaus Herbig
Overall (All Time): #3,506,341 of 4,157,543Top 85%
1
Patents All Time