Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710167 | Procedure for the chromatographic purification of insulins | Werner Sievers, Richard Bicker, Dieter Desch, Reinhold Keller, Frank Richard | 2004-03-23 |
| 5837036 | Process and filter for removing organic substances and ozone from gases | Andreas Schleicher, Georg Frank | 1998-11-17 |
| 5691427 | Process for the surface oxidation of polyarylene thioethers | Helmut Scheckenbach, Andreas Schleicher, Georg Frank | 1997-11-25 |
| 5411668 | Process for the reclamation of used glycolic aircraft deicing compositions | Klaus Pollmann | 1995-05-02 |