Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822681 | Activated polymer solid bodies and processes for the production thereof | Werner Schossler, Hans-Friedrich Boeden, Martin Holtzhauer, Falk Hiepe, Dieter Bertram +3 more | 1989-04-18 |