| 7439406 |
Method for hydrogenating methylol alkanals |
Alexander Wartini, Steffen Maas |
2008-10-21 |
| 7301058 |
Method for increasing yield in the production of polyvalent alcohols by splitting by-products containing acetal |
Alexander Wartini, Tilman Sirch, Johann-Peter Melder |
2007-11-27 |
| 7241914 |
Method for producing polyesterpolyols of polyvalent alcohols |
Alexander Wartini, Gerlinde Tischer, Tilman Sirch |
2007-07-10 |
| 7112707 |
Method for the isolation of trimethylolpropane from a reaction mixture |
Tilman Sirch, Gerd Kaibel, Alexander Wartini |
2006-09-26 |
| 7060861 |
Method for hydrating poly-or monomethylol alkanals |
Michael Koch, Gerhard Schulz, Hagen Weigl, Steffen Maas |
2006-06-13 |
| 7057080 |
Color index of multivalent alcohols by hydrogenation |
Christoph Sigwart, Michael Hesse, Steffen Maas |
2006-06-06 |
| 6914164 |
Method for the decomposition of ammonium formates in reaction mixtures containing polyol |
Michael Koch, Alexander Wartini, Tilman Sirch |
2005-07-05 |
| 6809224 |
Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation |
Detlef Kratz, Achim Stammer, Gerhard Schulz |
2004-10-26 |
| 6787677 |
Hydrogenation of carbonyl compounds |
Michael Koch, Steffen Maas, Wolfgang Jürgen Pöpel |
2004-09-07 |
| 6692616 |
Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation |
Detlef Kratz, Achim Stammer, Harald Rust, Gerhard Schulz |
2004-02-17 |
| 6586642 |
Color number improvement in polyhydric alcohols by hydrogenation |
Detlef Kratz, Achim Stammer, Mathias Haake, Michael Koch, Gerhard Schulz |
2003-07-01 |
| 6586641 |
Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcohols |
Detlef Kratz, Achim Stammer, Gerhard Schulz |
2003-07-01 |
| 6350914 |
Preparation of amines from olefins over zeolites having an NES structure |
Karsten Eller, Rudolf Kummer |
2002-02-26 |
| 6288009 |
Plant growth regulator compositions |
Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth E. Fersch, Wilhelm Rademacher +4 more |
2001-09-11 |
| 6248694 |
Plant growth regulator compositions |
Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth E. Fersch, Wilhelm Rademacher +4 more |
2001-06-19 |
| 6224734 |
Plant growth regulator compositions |
Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth E. Fersch, Wilhelm Rademacher +4 more |
2001-05-01 |
| 5904814 |
Removal of water and ammonia from benzophenone imine reactor effluents |
Guido Voit, Karl Beck, Martin Holderbaum, Hans-Jurgen Weyer |
1999-05-18 |
| 5874621 |
Preparation of amines from olefins over NU-85 zeolites |
Karsten Eller, Rudolf Kummer, Hans-Jurgen Lutzel |
1999-02-23 |