| 11591543 |
Aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran and/or unsaturated derivatives thereof |
Nicolas MARION, Rolf Pinkos, Stefan RUEDENAUER, Florian Garlichs, Ralf Pelzer +7 more |
2023-02-28 |
| 9315479 |
Process for preparing pyrrolidine |
Roland Bou Chedid, Johann-Peter Melder, Jörg Pastre, Aik Meam Tan |
2016-04-19 |
| 8981093 |
Process for preparing piperazine |
Roland Bou Chedid, Johann-Peter Melder, Ulrich Abel, Nina Challand, Bernd Stein +1 more |
2015-03-17 |
| 8927712 |
Process for the preparation of a mono-N-alkylpiperazine |
Roland Bou Chedid, Johann-Peter Melder, Ulrich Abel, Bernd Stein |
2015-01-06 |
| 8884015 |
Process for the preparation of a mono-N-alkypiperazine |
Roland Bou Chedid, Johann-Peter Melder, Ulrich Abel, Bernd Stein |
2014-11-11 |
| 8436169 |
Process for preparing 1,4-bishydroxyethylpiperazine |
Christof Wilhelm Wigbers, Nina Challand, Johann-Peter Melder, Udo Rheude |
2013-05-07 |
| 8383866 |
Process for preparing diols by hydrogenating a carboxylic acid-comprising mixture by means of cobalt-comprising catalysts |
Rolf Pinkos, Axel Paul, Rolf Fischer |
2013-02-26 |
| 7560594 |
Method for producing triethanolamine |
Frank Haese, Johann-Peter Melder, Manfred Julius |
2009-07-14 |
| 7550632 |
Methods of treating triethanolamine with acid components and basic components, and triethanolamine compositions containing the same |
Frank Haese, Johann-Peter Melder, Manfred Julius |
2009-06-23 |
| 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 |
| 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 |
| 5847131 |
Preparation of N-substituted cyclic amines |
Joachim Simon, Heinz Lingk, Rainer Becker, Andreas Henne, Rolf Lebkucher +3 more |
1998-12-08 |
| 5767329 |
Purity of 1,6-hexanediol |
Rolf Fischer, Wolfgang Harder, Axel Paul, Rolf Pinkos |
1998-06-16 |
| 5641857 |
Preparation of polytetrahydrofuran |
Rolf Fischer, Ulrich Mueller, Rainer Becker |
1997-06-24 |
| 5589600 |
Preparation of cyclohexene by partial hydrogenation of benzene |
Rolf Fischer, Laszlo Marosi |
1996-12-31 |
| 5382740 |
Continuous production of cyclohexene from cyclohexyl esters |
Rolf Pinkos, Rolf Fischer |
1995-01-17 |
