Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557985 | Process for continuous hydrogenation or hydrogenating amination | Bram Willem Hoffer, Hartwig Voβ, Ekkehard Schwab, Gerd Kaibel, Mathias Haake +2 more | 2013-10-15 |
| 8436169 | Process for preparing 1,4-bishydroxyethylpiperazine | Christof Wilhelm Wigbers, Nina Challand, Johann-Peter Melder, Roman Dostalek | 2013-05-07 |
| 8293075 | Method for the continuous separation by distillation of mixtures that contain morphonline (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation | Helmut Schmidtke, Oliver Buβmann, Ralph Versch, Uwe Leyk, Manfred Julius +2 more | 2012-10-23 |
| 8246793 | Method for the continuous separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation | Helmut Schmidtke, Oliver Buβmann, Ralph Versch, Uwe Leyk, Manfred Julius +2 more | 2012-08-21 |
| 8197646 | Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and water | Helmut Schmidtke, Oliver Buβmann, Ralph Versch, Uwe Leyk, Manfred Julius +2 more | 2012-06-12 |
| 8163963 | Process for continuous hydrogenation or hydrogenating amination | Bram Willem Hoffer, Hartwig Voβ, Ekkehard Schwab, Gerd Kaibel, Mathias Haake +2 more | 2012-04-24 |
| 6956141 | Method for preparing acetylene alcohols and their secondary products | Melanie Maas-Brunner, Jochem Henkelmann, Gerd Kaibel, Alois Kindler, Christian Knoll +5 more | 2005-10-18 |
| 6541660 | Process for preparing C5 acetate | Maximilian Vicari, Werner Aquila, Günter Wegner, Jörg Niekerken | 2003-04-01 |
| 6346629 | Method for producing butyrolactones | Melanie Brunner, Ralf-Thomas Rahn, Jochem Henkelmann | 2002-02-12 |
| 6300524 | Process for preparing higher unsaturated ketones | Carsten Oost, Manfred Stroezel, Heinz Etzrodt, Dietmar Weller, Gerd Kaibel +3 more | 2001-10-09 |
| 6288282 | Process for preparing ionones | Ulrich Horcher, Dietmar Weller, Manfred Stroezel | 2001-09-11 |
| 6211416 | Method for producing enol ethers | Joaquim Henrique Teles, Norbert Rieber, Klaus Breuer, Dirk Demuth, Hartmut Hibst +1 more | 2001-04-03 |
| 6140542 | Process for preparing ionones | Ulrich Horcher, Dietmar Weller, Manfred Stroezel | 2000-10-31 |
| 6111125 | Preparation of (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone and derivatives and stereoisomers of this compound | Michael Sasha John, Joachim Paust, Joachim Meyer | 2000-08-29 |
| 6054628 | Reacting Grignard compounds with carbonyl compounds and ensuing hydrolysis | Manfred Stroezel, Ralf-Thomas Rahn, Gerd Kaibel | 2000-04-25 |
| 5998680 | Isomerization of allyl alcohols | Matthias Kiefer, Wolfgang Siegel, Jörg Therre, Melanie Pahl, Werner Aquila +1 more | 1999-12-07 |
| 5914012 | Dividing wall column for continuous fractionation of multicomponent mixtures by distillation | Gerd Kaibel, Manfred Stroezel | 1999-06-22 |
| 5773635 | Preparation of polyenecarbonyl compounds having a high content of the all-E isomer, and of their acetals or ketals | Walter Dobler, Wolfgang Krause, Joachim Paust, Otto Worz, Wolfram Burst +8 more | 1998-06-30 |
| 5750806 | Preparation of alkenes by partial hydrogenation of alkynes over fixed-bed palladium catalysts | Franz Josef Brocker, Manfred Stroezel | 1998-05-12 |
| 5717128 | Preparation of alkylesters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid and alkyl esters of 4-halo-2-methyl-2-butenoic acid containing a high percentage of E isomers | Wolfgang Krause, Hansgeorg Ernst, Joachim Paust, Walter Dobler | 1998-02-10 |
| 5625099 | Preparation of astaxanthin, novel intermediates therefor and the preparation thereof | Hansgeorg Ernst, Walter Dobler, Joachim Paust | 1997-04-29 |
| 5455362 | Preparation of astaxanthin novel intermediates therefor and the preparation thereof | Hansgeorg Ernst, Walter Dobler, Joachim Paust | 1995-10-03 |
| 5382732 | 2,5-bis(1,1-dialkoxy-2-propyl)-2,5-dihydrofurans, the preparation thereof and the use thereof for the preparation of carotenoids | Juergen Frank, Bernhard Schulz, Joachim Paust, Eckhard Hickmann | 1995-01-17 |
| 5356636 | Stable vitamin and/or carotenoid products in powder form, and the preparation thereof | Joachim Schneider, Horst Schumacher, Wolfgang Bewert, Guenter Gaus | 1994-10-18 |
| 5300658 | 2,5-bis(1,1-dialkoxy-2-propyl)-2,5-dihydrofurans, the preparation thereof and the use thereof for the preparation of carotenoids | Juergen Frank, Bernhard Schulz, Joachim Paust, Eckhard Hickmann | 1994-04-05 |