Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635590 | Process and polycondensation apparatus for the treatment of contaminated ethylene glycol | Klaus Stemmer, Rudolf Geier | 1997-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635590 | Process and polycondensation apparatus for the treatment of contaminated ethylene glycol | Klaus Stemmer, Rudolf Geier | 1997-06-03 |