Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240808 | Processing aqueous effluent liquors from degasification or gasification of coal | Alfred Garber, Paul Wiesner, Hans-Martin Stonner, Alfred Schmidt | 1980-12-23 |
| 4241227 | Process for reducing biological oxygen demand of gas condensate | Paul Wiesner, Hans-Martin Stonner | 1980-12-23 |