Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885418 | Process for removing metal halides from liquid organic water-immiscible substances | by Birgit Hartung-Merse, heir, Uwe Beck, Ulrich Kappler, Alfred Mitschker, Andreas Grafe | 1989-12-05 |
| 4748287 | Process for the removal of m-dichlorobenzene from dichlorobenzene mixtures | Kai Rohlk | 1988-05-31 |
| 4570023 | Process for the preparation of trichlorobenzenes | Gerd-Michael Petruck, Raimund Wambach, Adolf Wissner | 1986-02-11 |
| 4254062 | Separation process | Raimund Wambach, Gerhard Reiss, Lothar Puppe | 1981-03-03 |