| 7074922 |
Method for producing the tautomeric form of (1) of 2,4,6-trianilino-p-(carbo-1′-ethylhexyl-1′oxyl)-1, 3, 5-triazine |
Helmut Gumbel, Heinz-Josef Kneuper, Gerhard Bertlein, Michael Drogemuller |
2006-07-11 |
$299,000 |
| 6455711 |
Method for producing polytetrahydrofuran |
Karsten Eller, Michael Hesse, Arthur Hohn, Heinz Rutter |
2002-09-24 |
$568,000 |
| 6410789 |
Process for preparing aromatic polyamine mixtures |
Karsten Eller, Hans-Werner Langensiepen, Michael Hesse |
2002-06-25 |
$235,000 |
| 6362312 |
Catalyst and method for the production of polytetrahydrofuran |
Karsten Eller, Heinz Rutter, Michael Hesse |
2002-03-26 |
$230,000 |
| 6359108 |
Method for polymerizing cyclic ether |
Karsten Eller, Frank Stein, Christoph Sigwart, Klaus-Dieter Plitzko, Rolf Fischer +1 more |
2002-03-19 |
$433,000 |
| 6274700 |
Catalyst and method for producing polytetrahydrofuran |
Karsten Eller, Heinz Rutter, Michael Hesse |
2001-08-14 |
$358,000 |
| 6262317 |
Process for preparing 1,4-butanediol by catalytic hydrogenation of 1,4-butinediol |
Franz Josef Brocker, Gerd Kaibel, Rolf Pinkos, Joachim Wulff-Doring |
2001-07-17 |
$205,000 |
| 6252039 |
Method for decoloring tetrahydrofuran polymers or copolymers |
Karsten Eller, Michael Hesse |
2001-06-26 |
$275,000 |
| 6211401 |
Process for preparing polytetrahydrofuran |
Karsten Eller, Christoph Sigwart, Klaus-Dieter Plitzko, Rolf Fischer, Frank Stein +2 more |
2001-04-03 |
$251,000 |
| 6197979 |
Method for producing polytetrahydrofuran with low color index |
Karsten Eller, Heinz Rutter, Michael Hesse |
2001-03-06 |
$218,000 |
| 6153784 |
Removal of halides from halide-containing nitrile mixtures |
Heinz-Josef Kneuper, Hans-Jurgen Weyer, Horst Neuhauser, Johann-Peter Melder, Andreas Henne +1 more |
2000-11-28 |
$180,000 |
| 6147227 |
Process for preparing phthalides |
Klemens Massonne, Horst Neuhauser, Horst Zimmermann, Wolfgang Reif, Peter Cramers +1 more |
2000-11-14 |
$234,000 |
| 6124368 |
Method for producing polytetrahydrofuran |
Karsten Eller, Christoph Sigwart, Klaus-Dieter Plitzko |
2000-09-26 |
$176,000 |
| 6111147 |
Process for preparing polytetrahydrofuran and derivatives thereof |
Christoph Sigwart, Karsten Eller, Klaus-Dieter Plitzko, Rolf Fischer, Frank Stein +2 more |
2000-08-29 |
$963,000 |
| 6043338 |
Method of producing polyoxytetramethylene glycol |
Christoph Sigwart, Rolf Fischer, Karsten Eller, Klaus-Dieter Plitzko, Gerd Heilen |
2000-03-28 |
|
| 6028204 |
Process for preparing phthalides |
Klemens Massonne, Wolfgang Reif, Horst Neuhauser, Andreas Gieseler, Klaus Mundinger |
2000-02-22 |
|
| 6020501 |
Process for preparing phthalides |
Klemens Massonne, Wolfgang Reif, Joachim Wulff-Doring |
2000-02-01 |
|
| 5939590 |
Tetrahydrofuran/but-2-yne-1, 4-diol copolymers containing C-C triple bonds |
Christoph Sigwart, Rolf Fischer, Klaus-Dieter Plitzko, Gerd Heilen, Christof Palm +1 more |
1999-08-17 |
|
| 5917039 |
N-alkylation of amines |
Joachim Simon, Rolf Lebkucher, Horst Neuhauser |
1999-06-29 |
|
| 5895816 |
Preparation of alkylamines |
Heinz-Josef Kneuper, Rolf Lebkucher, Horst Neuhauser, Andreas Henne |
1999-04-20 |
|
| 5894074 |
Preparation of tertiary amines from nitriles and secondary amines |
Eberhard Fuchs, Boris Breitscheidel, Horst Neuhauser |
1999-04-13 |
|
| 5847131 |
Preparation of N-substituted cyclic amines |
Joachim Simon, Roman Dostalek, Heinz Lingk, Andreas Henne, Rolf Lebkucher +3 more |
1998-12-08 |
|
| 5840981 |
Process for producing N-methyl-2(3,4 dimethoxyphenyl)-ethylamine |
Eberhard Fuchs, Horst Zimmermann, Tom Witzel, Boris Breitscheidel, Horst Nauhauser |
1998-11-24 |
|
| 5773648 |
Preparation of polytetrahydrofuran |
Christoph Sigwart, Michael Hesse, Rolf Fischer, Karsten Eller, Gerd Heilen +1 more |
1998-06-30 |
|
| 5747411 |
Supported catalysts which are suitable for ammonoxidation |
Lothar Karrer, Frank-Friedrich Pape, Ulrich Kohler, Peter Weidlich, Michael Hullmann +1 more |
1998-05-05 |
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