| 6201160 |
Preparation of alcohols |
Martin Brudermuller, Matthias Irgang, Martin Schmidt-Radde, Tom Witzel, Detlef Kratz +5 more |
2001-03-13 |
$262,000 |
| 5728317 |
Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use |
Gerhard Laqua, Tom Witzel, Ursula Siebenhaar, David Agar |
1998-03-17 |
|
| 5689010 |
Preparation of higher aldehydes |
Rocco Paciello, Michael Roper, Heinz-Josef Kneuper |
1997-11-18 |
|
| 5616784 |
Thermal cleavage of carbamic esters |
Hans Volkmar Schwarz, Andreas Otterbach, Otto Mattner, Wolfgang Schwarz, Eckhardt Brandt +2 more |
1997-04-01 |
|
| 5576449 |
Preparation of 2-substituted but-2-ene-1,4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals |
J urgen Frank, Johann-Peter Melder, Tom Witzel |
1996-11-19 |
|
| 5565583 |
Preparation of 2-substituted but-2-ene-1, 4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals |
J urgen Frank, Johann-Peter Melder, Tom Witzel |
1996-10-15 |
|
| 5554787 |
2,2-dialkylpentane 1,5-diisocyanates, 2,2-dialkylpentane 1,5-diurethanes and 2,2-dialkylpentane 1,5-dicarbamoyl chlorides, and their preparation and use |
Andreas Otterbach, Tom Witzel, Hans Renz |
1996-09-10 |
|
| 5536854 |
Preparation of 2-methyl-1,4-butanediol and 3-methyltetrahydrofuran |
Hans-Juergen Weyer, Rolf Fischer, Juergen Frank, Jochem Henkelmann, Hardo Siegel +1 more |
1996-07-16 |
|
| 5516928 |
Preparaion of 3.cyano-3,5,5-trimethylcyclohexanone |
Klaus Mundinger, Gerhard Laqua, Tom Witzel |
1996-05-14 |
|
| 5489663 |
Preparation of polyisocyanates containing isocyanurate groups and use thereof |
Peter Brandt, Bernd Bruchmann, Gerhard Laqua, Andreas Otterbach, Konrad Stiefenhöfer +3 more |
1996-02-06 |
|
| 5434291 |
Preparation of aminopropionitriles |
Tom Witzel, Rudolf Kummer, Guido Voit, Martin Brudermueller, Claus-Ulrich Priester +1 more |
1995-07-18 |
|
| 5416240 |
Preparation of poloxy-alkylene glycols |
Hans-Juergen Weyer, Rolf Fischer, Gerhard Jeschek, Herbert Mueller |
1995-05-16 |
|
| 5399705 |
1,1'-bis(3-aminopropyl)-2,2'-diimidazole |
Klaus Ebel, Martin Brudermueller |
1995-03-21 |
|
| 5386053 |
Multistep, continuous preparation of organic polyisocyanates |
Andreas Otterbach, Hans Volkmar Schwarz, Wolfgang Schwarz, Eckhardt Brandt, Peter Magnussen +1 more |
1995-01-31 |
|
| 5380919 |
Preparation of neopentyl glycol hydroxypivalate |
Martin Schmidt-Radde |
1995-01-10 |
|
| 5380918 |
Preparation of 4-acetoxystyrene |
Martin Brudermueller |
1995-01-10 |
|
| 5371292 |
Preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine |
Claus-Ulrich Priester, Tom Witzel, Gerhard Koppenhoefer, Wolfgang Harder |
1994-12-06 |
|
| 5347033 |
Preparation of 5-cyanovaleramide |
Tom Witzel, Eberhard Fuchs |
1994-09-13 |
|
| 5344983 |
Selective preparation of linear pentane-1,5-diamines in increased yields |
Tom Witzel, Eberhard Fuchs, Claus-Ulrich Priester |
1994-09-06 |
|
| 5334745 |
Preparation of 3-aminopropionitriles |
Martin Brudermueller, Tom Witzel |
1994-08-02 |
|
| 5304685 |
Preparation of 3-(hydroxyphenyl)propionaldehydes and their hydrogenation to 3-(hydroxyphenyl)propanols |
Martin Schmidt-Radde |
1994-04-19 |
|
| 5300678 |
Preparation of (107 -substituted urethano alkylcarboxylates) |
Martin Brudermueller |
1994-04-05 |
|
| 5268499 |
Preparation of mixtures of 3-aminopropionitrile and ethylene cyanohydrin |
Martin Brudermueller, Wolfgang Harder, Juergen Hartig, Dieter Franz |
1993-12-07 |
|
| 5256813 |
3-substituted 2-hydroxy-3-formylpropionic esters, the preparation thereof and the use thereof for preparing 3-substituted 3-formylacrylic esters |
Juergen Frank |
1993-10-26 |
|
| 5254752 |
Preparation of 4-halobenzyl alcohols |
Martin Brudermueller, Martin Schmidt-Radde |
1993-10-19 |
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