Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825260 | Nanoporous interpenetrating organic-inorganic networks | Andreas Zimmermann | 2004-11-30 |
| 6710167 | Procedure for the chromatographic purification of insulins | Richard Bicker, Dieter Desch, Jorg Von Eysmondt, Reinhold Keller, Frank Richard | 2004-03-23 |
| 6414196 | Process and device for preparing pure formaldehyde | Elke Schweers, Michael Rosenberg | 2002-07-02 |
| 6401397 | Sealing profile having a two layer covering element | Jurgen Klein, Rudolf Szed | 2002-06-11 |
| 6274749 | High-temperature resistant sulfonated aromatic polyether ketone cation exchangers and sulfonated poly (phenylene sulfide) cation exchangers as catalysts at reaction temperature above 150.degree. C | Ulrich Daiminger, Harald Bönsel, Wolfgang Bauer, Joachim Semel | 2001-08-14 |
| 6229053 | Method for purification of formaldehyde, use thereof and plastics produced therewith | Elke Schweers, Christine Meister | 2001-05-08 |
| 5800594 | Column and processes for purifying solvent-containing gases | Gunter Muller | 1998-09-01 |
| 4905896 | Railroad roadway for high speed rail-mounted vehicles | Josef Eisenmann, Dieter Hilliges, Gunther Leykauf, Helmut Lieske, Herbert Schambeck | 1990-03-06 |