Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977190 | Preparation of riboflavin, produced by a microbial method, in the form of spray-dried granules or microgranules | Joachim Meyer, Wolfgang Buehler, Johannes Grimmer, Hans Kiefer, Christoph Martin | 1990-12-11 |