Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549937 | Process for separating the catalyst system from the reaction mixtures of carbonylation reactions | Heinz Erpenbach, Klaus Gehrmann, Peter Horstermann, Georg Kohl | 1985-10-29 |
| 4430273 | Production of acetic anhydride | Heinz Erpenbach, Klaus Gehrmann, Klaus Schmitt | 1984-02-07 |
| 4351972 | Process for making anhydrous alkyl iodides | Heinz Erpenbach, Klaus Gehrmann, Klaus Schmitz | 1982-09-28 |
| 4333884 | Production of acetic anhydride | Heinz Erpenbach, Klaus Gehrmann, Klaus Schmitz | 1982-06-08 |
| 4319038 | Production of 1,1-diacetoxyethane | Heinz Erpenbach, Klaus Gehrmann, George Kohl | 1982-03-09 |
| 4280010 | Continuous production of alkyl acrylates free from ether | Heinz Erpenbach, Klaus Gehrmann, Winfried Lork | 1981-07-21 |