Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763637 | Process for preparing dimethyl vinylphosphonate from dimethyl 2-acetoxyethanephosphonate | Knut Riedel, Guenter Roscher | 1998-06-09 |
| 5396012 | Process for the preparation of monoisopropylnaphthalene | Marita Neuber, Ernst I. Leupold | 1995-03-07 |
| 5367104 | Process for the purification of organic compounds contaminated by dissolved metal compounds | Ernst I. Leupold, Gustav Gimpel, Walter Reimann | 1994-11-22 |
| 5230804 | Process for separating catalysts from suspensions by filtration | Ernst I. Leupold, Eduard Zeisberger, Manfred Kauffelt, Willi Herzog, Georg Weichselbaumer | 1993-07-27 |