Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710307 | Process for the production of trialkyl phosphites | Hans-Dieter Block | 1998-01-20 |
| 5639909 | Production of 2-phosphonobutane-1,2,4-tricarboxylic acid and the alkali metal salts thereof | Christoph Holzner, Hans-Dieter Block, Horst Bertram, Roland Kleinstuck, Hans-Heinrich Moretto | 1997-06-17 |
| 5608099 | Process for the recovery of tributyl phosphate from spent hydraulic oils | Hans-G unter Fr ohlen, Hans-Dieter Block, Hans-Heinrich Moretto, Peter C. Schmidt | 1997-03-04 |
| 5565615 | Method of preparing dimethylamine-borane | Christoph Holzner, Alfred Wagner, Dietrich Pantke, Hans-Dieter Block, Hans-Heinrich Moretto | 1996-10-15 |
| 5484511 | Process for the removal of impurities from hydrazine hydrate | Michael Batz, Hans-Heinrich Moretto, Peter C. Schmidt, Gerhard Jonas | 1996-01-16 |
| 5096547 | Preparation of chromic acid using bipolar membranes | Helmut Klotz, Rainer Weber | 1992-03-17 |