Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608099 | Process for the recovery of tributyl phosphate from spent hydraulic oils | Hans-G unter Fr ohlen, Hans-Dieter Block, Wolfgang Ohlendorf, Hans-Heinrich Moretto | 1997-03-04 |