Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319138 | Process for the preparation of pure propanephosphonic anhydride | Gunter Roscher, Hans-Jerg Kleiner, Harald Berger, Manfred Schmidt, Dirk Bottger | 1994-06-07 |
| 4691008 | Process for the low-racemization preparation of peptide intermediates of the synthesis of gonadorelin and gonadorelin analogs, and new intermediates for this process | Kurt Radscheit | 1987-09-01 |
| 4457866 | Chromogenic compounds and their use as enzyme substrates | Hermann E. Karges, Helmut Heber, Volker Teetz, Rolf Geiger | 1984-07-03 |
| 4361482 | Chromatograph for pressure chromatography | Volker Teetz, Rudolf Knapp | 1982-11-30 |