Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865743 | Method for production of solution-diffusion membranes and their application for pervaporation | Guido Ellinghorst, Axel Niemoeller, Horst Scholz, Hartmut E. A. Brueschke, Guenter F. Tusel | 1989-09-12 |