Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291515 | Use of efomycins | Horst-Peter Antonicek, Erwin Bischoff, Daniel Gondol, Oliver Gutbrod, Thomas Krahn +1 more | 2001-09-18 |
| 6174884 | 1,5-dihydro-pyrazolo[34-D]-pyrimidinone derivatives | Helmut Haning, Ulrich Niewohner, Ulrich Rosentreter, Thomas Schenke, Jörg Keldenich +3 more | 2001-01-16 |
| 5866571 | 9-substituted 2-(2-n-alkoxyphenyl)-purin-6-ones | Ulrich Niewohner, Erwin Bischoff, Elisabeth Perzborn, Matthias Schramm | 1999-02-02 |
| 5861396 | Purin-6-one derivatives | Ulrich Niewohner, Erwin Bischoff, Joachim Hutter, Elisabeth Perzborn | 1999-01-19 |
| 5861404 | 2,9-disubstituted purin-6-ones | Ulrich Niewohner, Erwin Bischoff, Elisabeth Perzborn, Matthias Schramm | 1999-01-19 |
| 5721238 | 2,8-disubstituted quinazolinones | Fred R. Heiker, Ulrich Niewohner, Wolfgang Hartwig, Erwin Bischoff, Elisabeth Perzborn +1 more | 1998-02-24 |