Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387082 | Removal of nitrous oxide from exit gases containing this compound during the production of hydroxylammonium salts | Elmar Frommer, Guenther Rapp, Erwin Thomas, Ruediger Schmitz | 1983-06-07 |