| 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 |
