Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310442 | Supported silver catalysts mixed with promoter metal compounds for the production of ethylene oxide | Erwin Vangermain, Claus-Dieter Mengler, Rainer Elm, Horst Ueberschaer | 1982-01-12 |