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Process for heterogeneously catalyzed gas phase partial oxidation of at least one organic starting compound |
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2009-04-14 |
| 7518016 |
Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of at least one organic compound |
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2009-04-14 |
| 6888006 |
Method for processing pyrollidone and n-vinyl pyrollidone residues |
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| 6750365 |
Thermal dissociation of allophanates |
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2004-06-15 |
| 6410778 |
Method of producing organic diurethanes and/or polyurethanes and their use in the production of di and/or polyisocyanates |
Ulrich Schoner, Andreas Otterbach, Hans Volkmar Schwarz |
2002-06-25 |
| 5808138 |
Stable polyisocyanate copositions obtainable by phosgene-free methods and their preparation |
Bernd Bruchmann, Stefan Wolff |
1998-09-15 |
| 5728317 |
Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use |
Franz Merger, Tom Witzel, Ursula Siebenhaar, David Agar |
1998-03-17 |
| 5516928 |
Preparaion of 3.cyano-3,5,5-trimethylcyclohexanone |
Klaus Mundinger, Tom Witzel, Franz Merger |
1996-05-14 |
| 5489663 |
Preparation of polyisocyanates containing isocyanurate groups and use thereof |
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1996-02-06 |
