Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442228 | Process for the manufacture of ethanol from synthesis gas | Ernst I. Leupold, Hans-Joachim Schmidt, Friedrich Wunder, Hans-Jurgen Arpe | 1984-04-10 |
| 4372878 | Process for the preparation of an aluminum silicate catalyst for converting methanol containing water and/or dimethyl ether containing water into lower olefins | Friedrich Wunder, Ernst I. Leupold, Hans-Joachim Schmidt, Klaus Unger | 1983-02-08 |
| 4296266 | Process for the manufacture of lower olefins from methanol/water mixtures | Friedrich Wunder, Ernst I. Leupold, Hans-Joachim Schmidt | 1981-10-20 |
| 4247731 | Process for the manufacture of lower alkenes from methanol and/or dimethyl ether | Friedrich Wunder, Hans-Jurgen Arpe, Ernst I. Leupold | 1981-01-27 |