Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468353 | Method of preparing alkoxymethylene compounds | Otto Ackermann, Herbert Schneidewind, Rudolf Stephan | 1984-08-28 |
| 4277418 | Method of preparing alkoxymethylene compounds | Otto Ackermann, Herbert Schneidewind, Rudolf Stephan | 1981-07-07 |