| 7943047 |
Process for the treatment of wastewater from aldolization processes |
Siegmar Maassen, Roland Krokoszinski |
2011-05-17 |
| 6809224 |
Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation |
Matthias Dernbach, Achim Stammer, Gerhard Schulz |
2004-10-26 |
| 6692616 |
Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation |
Matthias Dernbach, Achim Stammer, Harald Rust, Gerhard Schulz |
2004-02-17 |
| 6586641 |
Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcohols |
Matthias Dernbach, Achim Stammer, Gerhard Schulz |
2003-07-01 |
| 6586642 |
Color number improvement in polyhydric alcohols by hydrogenation |
Matthias Dernbach, Achim Stammer, Mathias Haake, Michael Koch, Gerhard Schulz |
2003-07-01 |
| 6497886 |
1,3-bis-(N-lactamyl) propane and the pharmaceutical and cosmetic use thereof |
Jorg Breitenbach, Siegfried Lang |
2002-12-24 |
| 6448457 |
Method for hydrogenating carbonyl compounds |
Michael Hesse, Gerhard Schulz, Marc Walter, Manfred Sauerwald |
2002-09-10 |
| 6380443 |
Preparation of 1,3-diols |
Harald Rust, Roland Krokoszinski, Volker Helf |
2002-04-30 |
| 6316664 |
Process for preparing hydroxy-containing compounds from formic acid esters |
Christoph Sigwart |
2001-11-13 |
| 6207865 |
Method for the hydrogenation of carbonyl compounds |
Boris Breitscheidel, Marc Walter, Gerhard Schulz, Manfred Sauerwald |
2001-03-27 |
| 6201160 |
Preparation of alcohols |
Martin Brudermuller, Matthias Irgang, Martin Schmidt-Radde, Franz Merger, Tom Witzel +5 more |
2001-03-13 |
| 6187971 |
Method for producing polyalcohols |
Achim Stammer, Gerhard Schulz, Guido Voit |
2001-02-13 |
| 6187957 |
Preparation of amines |
Gerald Meyer, Frank Funke, Gerhard Schulz, Marc Walter, Michael Hesse |
2001-02-13 |
| 6093677 |
Catalyst for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone |
Hans Jochen Mercker, Frank-Friedrich Pape, Joachim Simon, Andreas Henne, Michael Hesse +3 more |
2000-07-25 |
| 6018074 |
Process for the preparation of polyalcohols |
Achim Stammer, Tom Witzel, Martin Brudermuller |
2000-01-25 |
| 5955620 |
Dehydrogenation of 1,4-butanediol to .gamma.-butyrolactone |
Hans Jochen Mercker, Frank-Friedrich Pape, Joachim Simon, Andreas Henne, Michael Hesse +3 more |
1999-09-21 |
| 5952533 |
Method of producing 1,6-hexane diol from epoxybutadiene |
Rolf Fischer, Rolf Pinkos, Martin Schäfer, Arthur Hohn |
1999-09-14 |
| 5952438 |
Polymeric polyamines from alternating polyketones |
Ferdinand Lippert, Peter Schwab, Dieter Boeckh, Johannes Perner |
1999-09-14 |
| 5847131 |
Preparation of N-substituted cyclic amines |
Joachim Simon, Roman Dostalek, Heinz Lingk, Rainer Becker, Andreas Henne +3 more |
1998-12-08 |
| 5756839 |
Process for preparing D,L-aspartic acid from ammonium salts of the maleic acid |
Tom Witzel, Rudolf Bazner, Matthias Kroner, Uwe Pressler |
1998-05-26 |
| 5453365 |
Preparation of lactates |
Hans-Josef Sterzel, Herbert Vogel, Herbert Exner |
1995-09-26 |
