Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935561 | Process for isomerizing monochlorotoluenes or dichlorotoluenes | Klaus Eichler, Herbert Baltes, Ernst I. Leupold | 1990-06-19 |
| 4720583 | Process for the isomerization of o-, m- and/or p-toluidine | Klaus Eichler, Ernst I. Leupold, Herbert Baltes | 1988-01-19 |
| 4650915 | Process for preparing p-chlorotoluene and/or m-chlorotoluene | Heinz Litterer, Norbert Mayer | 1987-03-17 |
| 4554380 | Process for the manufacture of o-toluidine and/or m-toluidine and/or p-toluidine | Heinz Litterer | 1985-11-19 |
| 4501917 | Process for carbonylating formaldehyde acetals | Hans-Joachim Schmidt | 1985-02-26 |
| 4442228 | Process for the manufacture of ethanol from synthesis gas | Ernst I. Leupold, Hans-Joachim Schmidt, Friedrich Wunder, Horst Hachenberg | 1984-04-10 |
| 4324921 | Process for the manufacture of ethers of hydroxy-pivalaldehyde | — | 1982-04-13 |
| 4288558 | Process for the manufacture of oxygen-containing carbon compounds from synthesis gas | Hans-Joachim Schmidt, Friedrich Wunder, Ernst I. Leupold | 1981-09-08 |
| 4247731 | Process for the manufacture of lower alkenes from methanol and/or dimethyl ether | Friedrich Wunder, Horst Hachenberg, Ernst I. Leupold | 1981-01-27 |
| 4224236 | Process for the manufacture of oxygen-containing carbon compounds from synthesis gas | Friedrich Wunder, Ernst I. Leupold, Hans-Joachim Schmidt | 1980-09-23 |