Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654444 | Preparation of 5-hydroxy-4-methyl-2(5H)-furanone | Michael Sasha John, Joachim Paust | 1997-08-05 |
| 5625099 | Preparation of astaxanthin, novel intermediates therefor and the preparation thereof | Hansgeorg Ernst, Joachim Paust, Udo Rheude | 1997-04-29 |
| 5605972 | Graft and core-shell copolymers having improved phase bonding between graft substrate and grafted-on polymer phase | Klaus Kohlhammer | 1997-02-25 |