| 4828806 |
Process for cleaning an exhaust gas |
Claus Flockenhaus, Karl H. Laue, Erich Hackler, Blagoje Levkov, Daniel Grimm +2 more |
1989-05-09 |
| 4721699 |
Catalyst for the separation of nitrogen oxides from combustion exhaust gases |
Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Claus Flockenhaus, Erich Hackler +4 more |
1988-01-26 |
| 4695559 |
Catalyst for the selective reduction of nitrogen oxides in waste gases and process for the manufacture of such a catalyst |
Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Claus Flockenhaus, Erich Hackler +9 more |
1987-09-22 |
| 4672052 |
Catalyst for removal of nitrogen oxides from exhaust gases |
Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Claus Flockenhaus, Erich Hackler +4 more |
1987-06-09 |
| 4447333 |
Process for the elimination of ammonia in coke plant waste waters |
Dietrich Wagener, Karl H. Laue |
1984-05-08 |