Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800086 | Preparation of ascorbic acid granules | Volker Buehler, Robert Heinz | 1989-01-24 |
| 4656157 | Molded catalyst for reactions carried out under heterogeneous catalysis | Richard Krabetz, Matthias Schwarzmann | 1987-04-07 |