Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639909 | Production of 2-phosphonobutane-1,2,4-tricarboxylic acid and the alkali metal salts thereof | Christoph Holzner, Wolfgang Ohlendorf, Hans-Dieter Block, Roland Kleinstuck, Hans-Heinrich Moretto | 1997-06-17 |