Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780293 | Process for the production of Maddrell's salt | Stephan Kleemann, Alexander Maurer, Albert Erasmus | 1988-10-25 |
| 4343779 | Process for the condensation of phosphate solids | Klaus Sommer, Walter Klemm, Hermann Weber, Frederich Meinhardt, Gerhard Schonmann | 1982-08-10 |
| 4293526 | Process and apparatus for the condensation of solids | Klaus Sommer, Walter Klemm, Hermann Weber, Frederich Meinhardt, Gerhard Schonmann | 1981-10-06 |
| 4239922 | Xylose and xylitol separately purified in same ion exchanger | Theodor Riehm, Theodor Auel | 1980-12-16 |