Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364563 | Powdered aqueous carotenoid dispersions | Ernst Cathrein, Hermann Stein, Klaus Viardot | 1994-11-15 |
| 5221735 | Cyclodextrin-polyene inclusion complexes | Bruno Leuenberger | 1993-06-22 |
| 4861890 | Isomerization | Bernd Heiser | 1989-08-29 |
| 4254281 | Novel vitamin A acetate process | Kuno Schleich | 1981-03-03 |