Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254771 | Process for the preparation of 1,1,1-trifluoro-2-2-dichloroethane under elevated pressure | Hans R. Cremer, Gunter Siegemund | 1993-10-19 |
| 4986974 | Process for the separation of halogenated hydrocarbons from hydrochloric acid | Wolfgang Scheibitz, Heribert Tetzlaff, Bernhard Wojtech | 1991-01-22 |
| 4794204 | Process for the removal of dimethyl ether in methyl chloride | Hendrik W. Post, Helmold von Plessen | 1988-12-27 |
| 4465880 | Process for the manufacture of methyl chloride | Wolfgang Grunbein, Hendrik W. Post, Heinz Richter, Manfred Rossberg | 1984-08-14 |
| 4192821 | Purification of crude monochloromethane gas | Reinhold Graser, Hendrik W. Post | 1980-03-11 |