| 5480599 |
Method of manufacturing foam beads |
Thomas Leven, Michael Trager |
1996-01-02 |
| 5139712 |
Method of producing microfiltration membranes from aromatic polyamides |
Nils Hese, Artur MICHALSKI |
1992-08-18 |
| 4529419 |
Filter for gas filtration |
Massoud Karbachsch, Gunter Pradel, Fritz Reulecke |
1985-07-16 |
| 4522713 |
Apparatus for static membrane filtration |
Dietmar Nussbaumer, Khuong To Vinh |
1985-06-11 |
| 4490256 |
Apparatus for static membrane filtration |
Dietmar Nussbaumer, Khuong To Vinh |
1984-12-25 |
| 4430218 |
Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm |
Dietmar Nussbaumer, Hans-Weddo Schmidt, Gunter Pradel, Ulrich Grummert |
1984-02-07 |
| 4392963 |
Resorcinol or phloroglucinol condensation product for aqueous mixture purification |
Dietmar Nussbaumer, Horst Kluver, Hans Beer |
1983-07-12 |
| 4253963 |
Asymmetrical ultrafiltration membrane on the basis of cellulose triacetate |
Walter Franken, Dieter Nussbaumer, Ludwig Weickhardt |
1981-03-03 |
| 4234528 |
Asymmetrical ultrafiltration membrane based on cellulose hydrate |
Dietmar Nussbaumer |
1980-11-18 |