Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380929 | Process for the preparation of acetic acid and acetic anhydride | Heinz Erpenbach, Klaus Gehrmann, Erhard Jagers | 1995-01-10 |
| 4898966 | Process for the preparation of phenylalanine n-propyl ester hydrochloride | Heinz Erpenbach, Klaus Gehrmann, Peter Horstermann, Erhard Jagers | 1990-02-06 |
| 4717454 | Process for removing acetone from reaction mixtures of carbonylation reactions | Heinz Erpenbach, Klaus Gehrmann, Peter Horstermann | 1988-01-05 |
| 4549937 | Process for separating the catalyst system from the reaction mixtures of carbonylation reactions | Heinz Erpenbach, Klaus Gehrmann, Peter Horstermann, Hans-Klaus Kubbeler | 1985-10-29 |