Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8343350 | Membrane, device and method for removing proteases from liquids | Wolfgang Demmer, Hans-Heinrich Horl | 2013-01-01 |
| 8343351 | Membrane for removing proteases from liquids | Wolfgang Demmer, Hans-Heinrich Horl | 2013-01-01 |
| 7422686 | Cellulose hydrate ultrafiltration membranes and method for their production | Hans-Heinrich Horl | 2008-09-09 |
| 7311832 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes | Wolfgang Demmer, Stefan Fischer-Fruehholz, Andreas Kocourek, Eberhard Wuenn | 2007-12-25 |
| 6911148 | Adsorptive membrane device for treating particle-laden liquid feeds | Wolfgang Demmer | 2005-06-28 |
| 6562583 | Method for detecting microorganisms in gases | Elmar Herbig, Khuong To Vinh | 2003-05-13 |
| 6491869 | Method for preparing assay supports having an ordered set of reaction zones | Wolfgang Demmer, Khuong To Vinh, Thang Thuong Nguyen, Edwige Bonfils, Daniel Dupret | 2002-12-10 |
| 6294090 | Adsorptive substance separation device | Khoung To Vinh, Abdul Weiss, Wolfgang Demmer, Hans-Heinrich Horl, Andreas Graus +1 more | 2001-09-25 |
| 6287461 | Tandem system for adsorptive separation | Wolfgang Demmer, Abdul Weiss | 2001-09-11 |
| 6257416 | Fluid treatment device with tangential ducts and method for dimensioning the device | — | 2001-07-10 |
| 6235892 | Process for the purification of nucleic acids | Wolfgang Demmer | 2001-05-22 |
| 6017454 | Centrifugal filtration onto membrane adsorbers | Hans-Heinrich Horl, Wolfgang Demmer | 2000-01-25 |
| 6001974 | Method of separating albumin from serum by ion-exchange chromatography with membrane adsorbers | Wolfgang Demmer, Heinrich Klaus Gebauer, Maria-Regina Kula, Jorg Thoemmes | 1999-12-14 |
| 5739316 | Cross-linked cellulose hydrate membranes | Hans Beer, Wolfgang Demmer, Hans-Heinrich Horl, Dieter Melzner, Hans-Weddo Schmidt +1 more | 1998-04-14 |
| 5618418 | Dead-end membrane adsorbers | Wolfgang Demmer, Hans-Heinrich Horl, Abdul Weiss | 1997-04-08 |
| 5556708 | Process for grafting of nitrogen containing polymers and polymers obtained thereby | Hans-Heinrich Horl, Eberhard Wunn | 1996-09-17 |
| 5547575 | Method for the surface modification of formed bodies and formed bodies produced thereby | Wolfgang Demmer, Hans-Heinrich Horl, Abdul Weiss, Eberhard Wunn | 1996-08-20 |
| 5227070 | Textile reinforced membrane filter, method for manufacture and application | Horst Kluver, Eberhard Wunn | 1993-07-13 |
| 5215692 | Process for the surface grafting of formed bodies, in particulate also microporous membranes made from nitrogen-containing polymers | Hans-Heinrich Horl, Eberhard Wunn | 1993-06-01 |
| 4969997 | Fluid-impermeable areas on porous membrane filters and their application | Horst Kluver, Eberhard Wunn | 1990-11-13 |
| 4522713 | Apparatus for static membrane filtration | Horst Perl, Khuong To Vinh | 1985-06-11 |
| 4490256 | Apparatus for static membrane filtration | Horst Perl, Khuong To Vinh | 1984-12-25 |
| 4430218 | Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm | Horst Perl, Hans-Weddo Schmidt, Gunter Pradel, Ulrich Grummert | 1984-02-07 |
| 4392963 | Resorcinol or phloroglucinol condensation product for aqueous mixture purification | Horst Perl, Horst Kluver, Hans Beer | 1983-07-12 |
| 4234528 | Asymmetrical ultrafiltration membrane based on cellulose hydrate | Horst Perl | 1980-11-18 |