Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570026 | Method for producing phthalic anhylic anhydride according to specifications | Werner Peschel, Bernd Bessling, Peter Reuter, Bernhard Ulrich, Jean Werner Knab +2 more | 2003-05-27 |
| 6528683 | Method for producing shell catalysts for the catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such a manner | Thomas Heidemann, Frank Rosowski, Gerd Linden, Michael Seufert, Gerhard Hefele | 2003-03-04 |
| 5717126 | Phosphorous-containing calixarenes | Rocco Paciello, Michael Roper, Heinz-Josef Kneuper, Ernst Langguth | 1998-02-10 |
| 5264616 | Preparation of .omega.-formylalkanecarboxylic esters | Michael Roeper, Dieter Koeffer | 1993-11-23 |
| 5254741 | Rhodium hydroformylation catalysts containing bisphosphite ligands | Werner Bertleff, Michael Roeper, Dieter Koeffer | 1993-10-19 |
| 5202297 | Rhodium hydroformylation catalysts containing bisphosphite ligands | Werner Bertleff, Michael Roeper, Dieter Koeffer | 1993-04-13 |