| 7227029 |
Method for the continuous production of N-methyl-2-pyrrolidone (NMP) |
Martin Rudloff, Erhard Henkes, Helmut Schmidtke, Rolf Fischer, Manfred Julius +2 more |
2007-06-05 |
| 7164031 |
Method for the production of 2-pyrrolidone |
Martin Rudloff, Erhard Henkes, Helmut Schmidtke, Rolf Fischer, Manfred Julius +2 more |
2007-01-16 |
| 6143934 |
Preparation of amines from olefins over boron beta-zeolites |
Uwe Dingerdissen, Rudolf Kummer, Ulrich Müller, Jürgen Herrmann, Karsten Eller |
2000-11-07 |
| 5900508 |
Preparation of amines from olefins over zeolites of the type PSH-3, MCM-22, SSZ-25 or mixtures thereof |
Karsten Eller, Ulrich Müller, Rudolf Kummer |
1999-05-04 |
| 5886226 |
Process for producing amines from olefins on zeolites of types SSZ-33, CIT-1 or mixtures thereof |
Karsten Eller, Rudolf Kummer |
1999-03-23 |
| 5817871 |
Preparation of amines |
Uwe Dingerdissen, Gunter Lauth, Andreas Henne, Karsten Eller, Eugen Gehrer |
1998-10-06 |
| 5786510 |
Preparation of amines from olefins over crystalline oxides based on aluminum phosphates and having faujasite structure |
Karsten Eller, Rudolf Kummer |
1998-07-28 |
| 5739405 |
Preparation of amines from olefins over zeolites of the type SSZ-37 |
Karsten Eller, Rudolf Kummer |
1998-04-14 |
| 5728900 |
Process for the selective hydrogenation of butyne-1,4-diol to butene-2-diol-1,4 |
Franz Josef Brocker, Rainer Becker, Volkmar Menger |
1998-03-17 |
| 5714644 |
Process and catalyst for the selective hydrogenation of butynediol to butenediol |
Matthias Irgang, Volkmar Menger, Ernest Miesen, Fritz Graf |
1998-02-03 |
| 5530127 |
Preparation of amines |
Wolfgang Reif, Lothar Franz, Volkmar Menger, Rainer Becker, Rudolf Kummer +1 more |
1996-06-25 |
| 5521139 |
Palladium-containing fixed-bed catalyst for the hydrogenation of butyne-1,4-diol to butene-2-diol-1,2 |
Franz Josef Brocker, Rainer Becker, Volkmar Menger |
1996-05-28 |
| 5453208 |
Oxidation of ammonium ions and organic carbon in wastewaters |
Karl Baur, Thomas Papkalla, Ulrich Kanne |
1995-09-26 |
| 5030328 |
Method of separating .gamma.-butyrolactone from mixtures containing diethyl succinate |
Rolf Fischer, Erwin Brunner, Rudolf Weigand |
1991-07-09 |
| 4946029 |
Purification of carboxylic esters which contain aldehydes, acetals and/or unsaturated compounds |
Gerhard Frank, Hubert Lendle, Wilfried Seyfert |
1990-08-07 |
| 4861895 |
Treatment of aqueous solutions obtained in the carbalkoxylation of olefinically unsaturated compounds |
Werner Bertleff, Robert Maerkl, Peter Magnussen, Gebhard Kuehn |
1989-08-29 |
| 4810798 |
Recovery of pyridine or methylpyridines or mixtures thereof from methyl butanedicarboxylate containing reaction mixtures |
Hubert Lendle, Paul Panitz, Wilfried Seyfert |
1989-03-07 |
| 4777284 |
Continuous preparation of carbalkoxy-containing aliphatic compounds |
Robert Maerkl, Werner Bertleff, Gebhard Kuehn, Paul Panitz, Rudolf Kummer +1 more |
1988-10-11 |
| 4681946 |
Preparation of nicotinamide |
Karl Baur, Volker Diehl, Hans Hellbach, Erwin Brunner |
1987-07-21 |
| 4533757 |
Continuous hydroformylation of olefinically unsaturated compounds |
Rudolf Kummer, Wolfgang Richter, Kurt Schwirten |
1985-08-06 |