Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750346 | Stable near-infrared (NIR) marker dyes based on benzopyrylium-polymethines | Peter T. Czerney, Frank G. Lehmann, Bernd G. Schweder | 2004-06-15 |
| 6331630 | Dimeric arylisoquinoline alkaloids and derivatives thereof | Gerhard Bringmann, Michael R. Boyd | 2001-12-18 |
| 6140339 | Monomeric and dimeric arylisoquinoline alkaloids and derivatives thereof | Gerhard Bringmann, Michael R. Boyd | 2000-10-31 |