Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839153 | Process for purification of HCl from pyrolysis of EDC | Gerhard Dummer, Peter Hirschmann, Rudolf Strasser, Franz Haunberger | 1989-06-13 |
| 4822932 | Heat recovery in production of vinyl chloride by pyrolysis of dichloroethane | Gerhard Dummer, Klaus Haselwarter, Hermann Klaus, Rudolf Strasser | 1989-04-18 |