| 8476463 |
Process for separating off fumaric acid and other minor components during the production of maleic anhydride |
Gunther Windecker, Alexander Weck, Ellen Dahlhoff, Wolf-Steffen Weiβker, Jorg Heilek +2 more |
2013-07-02 |
| 8461356 |
Process for obtaining maleic anhydride by distillation |
Gunther Windecker, Gerd Kaibel, Michael Steiniger, Thilo Buntrock, Dany Vanden Hautte +1 more |
2013-06-11 |
| 7169732 |
Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
Sebastian Storck, Mark Duda, Cornelia Katharina Dobner |
2007-01-30 |
| 7157403 |
Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
Sebastian Storck, Mark Duda, Cornelia Katharina Dobner |
2007-01-02 |
| 7087767 |
Method for producing maleic anhydride |
Wilhelm Ruppel, Mark Duda |
2006-08-08 |
| 7060649 |
Method for the production of a catalyst containing vanadium, phosphorus, and oxygen |
Sebastian Storck, Mark Duda, Cornelia Katharina Dobner, Raimund Felder |
2006-06-13 |
| 6812351 |
Hollow cylindrical catalyst and a method for producing a maleic acid anhydride |
Sebastian Storck, Andreas Tenten |
2004-11-02 |
| 6803473 |
Method for producing maleic acid anhydride |
Sebastian Storck, Andreas Tenten, Wilhelm Ruppel |
2004-10-12 |
| 6034270 |
Process for the selective preparation of acetic acid using a molybdenum, palladium, and rhenium catalyst |
Holger Borchert, Uwe Dingerdissen |
2000-03-07 |
| 5789593 |
Process for preparing indenes |
Holger Borchert, Uwe Dingerdissen |
1998-08-04 |
| 5719284 |
Process for the preparation of substituted 3-arylquinazoline-2,4-diones |
Holger Borchert, Thomas Gerdau |
1998-02-17 |
| 5648551 |
Process for the preparation of halobenzaldehydes |
Holger Borchert, Thomas Gerdau |
1997-07-15 |
| 5585523 |
Process for the preparation of aldehydes by catalytic gas phase hydrogenation of carboxylic acid or their derivatives with the aid of a tin catalyst |
Holger Borchert, Thomas Gerdau |
1996-12-17 |
