Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746653 | Process for recovering catalyst transition metals from salt-containing reaction mixtures | Frank Bauer, Christoph Theis | 2004-06-08 |
| 6617469 | Process for preparing malonic diesters in a reactor with internal heat exchangers | Frank Bauer, Wilfried Latz, Christoph Theis | 2003-09-09 |
| 4525310 | Method of preparing 3-alkoxy acrylonitriles | Christoph Theis | 1985-06-25 |
| 4443624 | Method of preparing malonic acid dialkyl esters | Moustafa El Chahawi, Wilhelm Vogt, Hermann Richtzenbain | 1984-04-17 |
| 4424375 | Method and apparatus for performing carbonylation reactions | Moustafa El-Chahawi, Hermann Richtzenhain, Wilhelm Vogt | 1984-01-03 |
| 4399300 | Method of preparing malonic acid dialkyl esters | Moustafa El Chahawi, Wilhelm Vogt, Hermann Richtzenhain | 1983-08-16 |
| 4319024 | Method of preparing .beta.-alkoxyacrlonitriles | Hermann Peeters, Wilhelm Vogt | 1982-03-09 |
| 4234545 | Process for the recovery of cobalt values | Moustafa El-Chahawi | 1980-11-18 |
| 4228097 | Method of preparing .alpha.-hydroxymethylene nitriles | Moustafa El-Chahawi | 1980-10-14 |