Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885285 | Phosphorus compounds, processes for their manufacture, and their use | Albert Hartmann, Hans Hirt, Bohumir Lucas, Peter Wirz | 1989-12-05 |
| 4873322 | Saccharide derivatives and processes for their manufacture | Bruno Fechtig | 1989-10-10 |