Issued Patents All Time
Showing 101–119 of 119 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795802 | Removal of vinylpyrrolidone from vinylpyrrolidone polymers | Adolf Nuber, Dieter Urban | 1989-01-03 |
| 4789713 | Preparation of terpolymers | Friedrich Vogel | 1988-12-06 |
| 4786699 | Preparation of polyvinylpyrrolidone | Adolf Nuber, Siegfried Lang, Gerd Schroeder | 1988-11-22 |
| 4767613 | Terpolymers, their use in hair treatment agents and hair treatment agents containing these terpolymers | Adolf Nuber, Ferdinand Straub, Friedrich Vogel | 1988-08-30 |
| 4767707 | Immobilization of enzymes with a water-soluble glycidyl ether | Stefan Marcinowski, Chung-Ji Tschang, Wolfgang Ladner, Norbert Greif | 1988-08-30 |
| 4764467 | Preparation of an insoluble biocatalyst | Hans-Helmut Goertz, Stefan Marcinowski | 1988-08-16 |
| 4748989 | Copolymers, use thereof as hair fixatives and hair fixatives containing same | Adolf Nuber, Friedrich Vogel, Dietrich Mass | 1988-06-07 |
| 4725524 | Dry film resist and production of resist images | Albert Elzer, Gunnar Schornick | 1988-02-16 |
| 4711907 | Membranes of substantially non-crosslinked organic polymers which contain bonded ionogenic groups | Hans-Josef Sterzel | 1987-12-08 |
| 4632897 | Photopolymerizable recording material suitable for the production of photoresist layers | Helmut Barzynski, Albrecht Eckell, Albert Elzer, Uwe Klinsmann, Reinhold J. Leyrer | 1986-12-30 |
| 4616041 | Membranes of substantially non-crosslinked organic polymers | Hans-Josef Sterzel | 1986-10-07 |
| 4590144 | Photopolymerizable recording material and the production of relief plates using this recording material | Gunnar Schornick, Mong-Jon Jun, August Lehner, Werner Lenz, Peter Richter +1 more | 1986-05-20 |
| 4584359 | Vinyl polymer membranes | Hans-Josef Sterzel, Peter Neumann | 1986-04-22 |
| 4551512 | Water-soluble polymers having a low hygroscopicity | Ferdinand Straub, Karl Seib, Siegfried Lang | 1985-11-05 |
| 4478976 | Water-insoluble protein material, its preparation and its use | Hans-Helmut Goertz, Stefan Marcinowski | 1984-10-23 |
| 4461832 | Preparation of an enzymatically active formulation embedded in silica gel | Chung-Ji Tschang, Heinrich Klefenz, Wolfgang Zahn | 1984-07-24 |
| 4451582 | Preparation of insoluble, only slightly swellable polymers of basic vinyl-heterocyclic compounds | Walter Denzinger, Hans-Helmut Goertz, Heinrich Hartmann | 1984-05-29 |
| 4266030 | Macroporous polymeric carrier for covalently binding proteins, its preparation and its use for fixing active proteins | Chung-Ji Tschang, Heinrich Klefenz | 1981-05-05 |
| 4235973 | Macroporous polymeric carrier for covalently binding proteins, its preparation and its use for fixing active proteins | Chung-Ji Tschang, Heinrich Klefenz | 1980-11-25 |