| 6399034 |
Process for reducing nitrogen oxides on SCR catalyst |
— |
2002-06-04 |
| 6301879 |
Exhaust gas purification system for denoxing exhaust gases from combustion units |
Georg Huthwohl, Bernd Maurer |
2001-10-16 |
| 5586433 |
Process and apparatus for selective catalyzed no-reduction in oxygen-containing exhaust gases |
Walter Boegner, Michael Kraemer, Bernd Krutzsch, Guenter Wenninger, Friedrich Wirbeleit |
1996-12-24 |
| 5219543 |
Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases |
Erhard Herrmann, Wolfgang Fennemann, Harald Sauer, Bernd Thone |
1993-06-15 |
| 4971673 |
Coating fibers with a layer of silicon |
Gerd Nagel |
1990-11-20 |
| 4950139 |
Process of catalytically reducing NO |
Wolfgang Fennemann, Burkhard Retzlaff, Bernd HOCHSTEIN |
1990-08-21 |
| 4847054 |
Process for catalytically reducing NO contained in a gas |
— |
1989-07-11 |