Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409394 | Supported silver catalysts mixed with promoter metal compounds for the production of ethylene oxide | Erwin Vangermain, Rainer Elm, Horst Ueberschaer, Wilhelm Brauckmann | 1983-10-11 |
| 4376718 | Process for activating or reactivating ethylene oxide silver substrate catalysts | Erwin Vangermain | 1983-03-15 |
| 4310442 | Supported silver catalysts mixed with promoter metal compounds for the production of ethylene oxide | Erwin Vangermain, Rainer Elm, Horst Ueberschaer, Wilhelm Brauckmann | 1982-01-12 |