Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300303 | Spray granules or microgranules of pure riboflavin which contain no binder are non-dusting and free-flowing, and the preparation thereof | Hans Kiefer, Christoph Martin | 1994-04-05 |