| 8008227 |
Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them |
Achim Fischer, Christoph Weckbecker, Klaus Huthmacher, Frank Wilz |
2011-08-30 |
| 7874064 |
Device for positioning and fixing wires in tubes |
Achim Fischer, Klaus Huthmacher |
2011-01-25 |
| 7507862 |
Process for hydrogenating an aromatic amine in the presence of a supported ruthenium catalyst |
Guido Stochniol, Bernd Jaeger, Thomas Haas, Norbert Finke, Juergen Grunert |
2009-03-24 |
| 7030052 |
Process for hydrogenating an aromatic amine in the presence of a supported ruthenium catalyst |
Guido Stochniol, Bernd Jaeger, Thomas Haas, Norbert Finke, Juergen Grunert |
2006-04-18 |
| 6892763 |
Valve arrangement |
Jürgen Gerhartz |
2005-05-17 |
| 6583435 |
Manual operating means for valves |
— |
2003-06-24 |
| 6337300 |
Shaped metal fixed-bed catalyst, a process for its preparation and its use |
Jorg Sauer, Thomas Haas, Bruno Keller, Andreas Freund, Dietrich Michelchen +1 more |
2002-01-08 |
| 5852219 |
Catalyst, process for its preparation, and use for synthesis of methyl mercaptan |
Joerg Sauer, Wolfgang Boeck, Lukas von Hippel, Stephan Rautenberg, Dietrich Arntz +1 more |
1998-12-22 |
| 5082819 |
Catalyst for catalytic gas phase oxidation of olefins into unsaturated aldehydes and method for making the catalyst |
Wolfgang Boeck, Dietrich Arntz, Guenter Prescher |
1992-01-21 |
| 5072052 |
Process for the production of acrolein by catalytic gas-phase oxidation of propene |
Wolfgang Boeck, Dietrich Arntz, Guenter Prescher |
1991-12-10 |
| 4621072 |
Process for preparing abrasion-resistant coated catalysts |
Dietrich Arntz, Gunter Prescher, Johannes Heilos, Reinhard Manner |
1986-11-04 |
| 4539409 |
Process for preparing aromatic nitriles |
Dietrich Arntz, Gunter Prescher, Johannes Heilos, Reinhard Manner |
1985-09-03 |
| 4521618 |
Process for preparing acrylic or methacrylic acid |
Dietrich Arntz, Gunter Prescher, Johannes Heilos, Reinhard Manner |
1985-06-04 |