Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879554 | Polysulfone membrane and method for its manufacture | Walter Loffelmann, Jurgen Passlack, Harald Schmitt, Michael Schmitt | 1999-03-09 |
| 5356461 | Gas separation membrane | Robert Weinzenhofer, Alfons Leeb, Karl Bauer | 1994-10-18 |
| 5290448 | Polyacrylonitrile membrane | Jurgen Passlack, Harald Schmitt, Walter Loffelmann, Karl Henke | 1994-03-01 |
| 5246582 | Synthetic hydrophilic membranes and method for their manufacture | Jurgen Passlack, Brigitte Buttner, Marion Scherf | 1993-09-21 |
| 5242636 | Method of making a multilayer capillary membrane | Robert Weizenhofer, Alfons Leeb, Karl Bauer | 1993-09-07 |
| 5066401 | Flat or capillary membrane based on a homogeneous mixture of polyvinylidene fluoride and a second polymer which can be rendered hydrophilic by chemical reaction | Heinz-Joachim Muller, Gunter Eberhard, Ernst Spindler, Lothar Krauss, Helmut Volker | 1991-11-19 |
| 5013765 | Method for sulfonating aromatic polyether sulfones | Dieter Huff | 1991-05-07 |