Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427759 | Method of recovering ammonia and compounds from offgases contaminated with organic materials, carbon dioxide, and ammonia | — | 1995-06-27 |
| 5360931 | Continuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanates | Gerd Bohmholdt, Peter Kirchner, Hans-Werner Michalczak | 1994-11-01 |
| 4541897 | Distillation process for the production of dehydrated ethanol | August Sommer, Rainer Brucker, Norbert Wozny | 1985-09-17 |
| 4380509 | Method for producing a catalyst for the hydration of olefins | August Sommer, Rainer Brucker | 1983-04-19 |
| 4351970 | Method of preparing alcohols having two to four carbon atoms by catalytic hydration of olefins | August Sommer, Rainer Brucker | 1982-09-28 |
| 4329257 | Method of producing a catalyst from clay minerals for the hydration of olefins | August Sommer, Rainer Brucker | 1982-05-11 |