| 6852869 |
Method for the production of polytetrahydrofuran with low color index |
Christoph Sigwart, Anton Meier, Michael Hesse, Volkmar Menger, Klaus-Peter Pfaff +1 more |
2005-02-08 |
$197,000 |
| 6300467 |
Production of polytetrahydrofuran with terminal hydroxyl groups by changing the continuous and dispersed phase |
Heinz Auer, Jurgen Ciprian, Wolfgang Franzischka, Gabriele Iffland, Alexander Weck +1 more |
2001-10-09 |
$325,000 |
| 6267791 |
Mixtures suitable as fuel additives |
Juergen Thomas, Peter Schreyer, Knut Oppenlaender, Wolfgang Guenther |
2001-07-31 |
$568,000 |
| 6037381 |
Preparation of polytetrahydrofuran with terminal hydroxyl groups using ion exchangers |
Wulfrich Friedemann Beer, Klaus Beiser, Jurgen Ciprian, Wolfgang Franzischka, Christof Palm +4 more |
2000-03-14 |
|
| 5981688 |
Continuous preparation of polytetrahydrofuran by a transesterification cascade with specific destruction of foam |
Heinz Auer, Klaus Beiser, Jurgen Ciprian, Wolfgang Franzischka, Ulrich-Dieter Pessel +1 more |
1999-11-09 |
|
| 5914407 |
Preparation of piperid-2-one |
— |
1999-06-22 |
|
| 5746786 |
Poly-1-n-alkenylamines, and fuel and lubricant compositions containing them |
Hans-Joachim Mueller, Bernd Lothar Marczinke, Roger Klimesch, Michael Roeper, Peter Schreyer +4 more |
1998-05-05 |
|
| 5567845 |
Fuel additives, their preparation and gasoline engine fuels containing the additives |
Juergen Mohr, Peter Schreyer, Juergen Thomas, Knut Oppenlaender, Wolfgang Guenther |
1996-10-22 |
|
| 5530127 |
Preparation of amines |
Wolfgang Reif, Peter Stops, Volkmar Menger, Rainer Becker, Rudolf Kummer +1 more |
1996-06-25 |
|
| 5496383 |
Fuel additives, their preparation and gasoline engine fuels containing the additives |
Juergen Mohr, Peter Schreyer, Juergen Thomas, Knut Oppenlaender, Wolfgang Guenther |
1996-03-05 |
|
| 5492641 |
.beta.-aminonitriles and N-alkyl-1,3-propylenediamines and their use as fuel additives and lubricant additives |
Juergen Mohr, Knut Oppenlaender, Juergen Thomas |
1996-02-20 |
|
| 5424445 |
Alkoxylation products |
Johan H. Hendrick ter Maat, Marion Meyer, Knut Oppenlaender, Michael Zirnstein, Walter Denzinger |
1995-06-13 |
|
| 5410070 |
Preparation of N-alkenylpyrrolidones |
Michael Huellmann |
1995-04-25 |
|
| 5350429 |
Diaminoalkanes, their preparation and fuels and lubricants containing the diaminoalkanes |
Juergen Mohr, Knut Oppenlaender, Peter Schreyer, Juergen Thomas |
1994-09-27 |
|
| 5294688 |
UV-crosslinkable copolymers |
Gerd Rehmer, Gerhard Auchter, Andreas Boettcher, Helmut Jaeger |
1994-03-15 |
|
| 4975506 |
Bismaleimide resin from bis(maleimido phenoxy)benzene |
Philipp Eisenbarth |
1990-12-04 |
|
| 4940805 |
Preparation of 1,4-butanediol or tetrahydrofuran or both |
Rolf Fischer, Hans-Juergen Gosch, Wolfgang Harder, Klaus-Dieter Malsch, Manfred Eggersdorfer +5 more |
1990-07-10 |
|
| 4925940 |
Preparation of cyclic N,N'-dimethylureas |
Manfred Eggersdorfer, Dieter Voges |
1990-05-15 |
|
| 4801592 |
Substituted 1,8-naphthyridine derivatives and fungicides containing them |
Hermann Graf, Hubert Sauter, Eberhard Ammermann, Ernst-Heinrich Pommer |
1989-01-31 |
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