| 5927967 |
Method of removing sulphur dioxide from cement kiln exhaust gases |
Jurgen Thormann, Ludger Lohnherr |
1999-07-27 |
| 5480626 |
Method for producing spherical granulated materials from powered solids and granulated materials produced thereby |
Claas-Jurgen Klasen, Martin Foerster, Andreas Höfler, Herbert Riemenschneider, Oliver Franta +1 more |
1996-01-02 |
| 5002918 |
Molded articles based on pyrogenically produced mixed-oxide systems of silicon dioxide and aluminum oxide, a method for manufacturing them and their use |
Klaus Deller, Rainhard Klingel, Helmfried Krause |
1991-03-26 |
| 4300879 |
Process for the heat-treatment of fine-grained material |
Wolf Goldmann, Dieter Michaelsen, Dieter Dreyer, Dietmar Holsiepe, Peter Tiggesbaumker +2 more |
1981-11-17 |
| 4257766 |
Processes and apparatus for the heat treatment of fine-grained material |
Horst Ritzmann, Heinz-Herbert Schmits, Wolf Goldmann, Hennig Korn |
1981-03-24 |
| 4213790 |
Process for the production of cement in a fluidized bed |
Wolf Goldmann, Horst Kretzer, Heinrich Weber, Rudiger Beyer, Wilfried Kreft +6 more |
1980-07-22 |