Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340837 | Benzophenonehydrazones | Alfons Pascual, Odd Kristiansen | 1994-08-23 |
| 5300679 | Substituted propane-phosphinic acid compounds | Eric K. Baylis, Helmut Bittiger, Wolfgang Frostl, Ludwig Maier, Stuart J. Mickel +1 more | 1994-04-05 |
| 5298663 | Process for the preparation of protected phosphine oxides | Peter Riebli | 1994-03-29 |
| 5281747 | Substituted aminoalkylphosphinic acids | Ludwig Maier, Wolfgang Frostl | 1994-01-25 |