Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723881 | Method for conditioning ion exchangers | Michael Bödiger, Rainer Neumann, Frieder Heydenreich, Michael Prein, Ulrich Schnegg +3 more | 2004-04-20 |
| 6723885 | Bisphenol production | Frieder Heydenreich, Michael Prein, Michael Bödiger, Rainer Neumann, Johan Vaes | 2004-04-20 |