Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885405 | Process for the production of pure dimethylether and a catalyst used in the process | Horst Dornhagen, Hartmut Hammer, Ewald Meisenburg | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885405 | Process for the production of pure dimethylether and a catalyst used in the process | Horst Dornhagen, Hartmut Hammer, Ewald Meisenburg | 1989-12-05 |