Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968758 | Process for the dissociation of MTBE | Markus Winterberg, Franz Nierlich, Silvia Santiago Fernandez, Walter Luh, Stephan Houbrechts +2 more | 2011-06-28 |
| 7919662 | Process for the dissociation of MTBE | Markus Winterberg, Walter Luh, Silvia Santiago Fernandez, Franz Nierlich, Stephan Houbrechts +2 more | 2011-04-05 |
| 7910786 | Process for the dissociation of MTBE | Markus Winterberg, Walter Luh, Silvia Santiago Fernandez, Franz Nierlich, Stephan Houbrechts +2 more | 2011-03-22 |
| 7683204 | Mixture of alicyclic polycarboxylic acid esters having high cis isomer content | Michael Graβ, Alfred Kaizik, Dietrich Maschmeyer, Axel Tuchlenski, Franz Nierlich | 2010-03-23 |
| 7611683 | Apparatus and process for the continuous reaction of a liquid with a gas over a solid catalyst | Gerda Grund, Stefan Jelko, Udo Peters | 2009-11-03 |
| 7524997 | Process for the hydrogenation of oxo aldehydes having high ester contents | Alfred Kaizik, Hans-Gerd Lüken, Michael Grass, Dietrich Maschmeyer | 2009-04-28 |
| 7435848 | Method for preparing alicyclic carboxylic acids and their esters | Michael Grass, Burkhard Reeken, Axel Tuchlenski, Alfred Kaizik | 2008-10-14 |
| 7399892 | Process for dewatering ethanol | Armin Matthias Rix, Frank Hoper, Jochen Praefke | 2008-07-15 |
| 7161053 | Oligomerization of isobutene in N-butenic hydrocarbon streams | Andreas Beckmann, Franz Nierlich, Udo Peters, Lothar Kerker, Dietrich Maschmeyer +1 more | 2007-01-09 |
| 7138552 | Method for producing C13-alcohol mixtures | Alfred Kaizik, Walter Totsch, Wilhelm Droste, Dirk Rottger, Klaus-Diether Wiese | 2006-11-21 |
| 7002053 | Method for preparing high-purity diisobutene | Franz Nierlich, Lothar Kerker, Udo Peters, Andreas Beckmann | 2006-02-21 |
| 7002050 | Process for preparing tert-butanol from isobutene-containing hydrocarbon mixtures | Silvia Santiago Fernandez, Jorg Sauer, Guido Stochniol, Dietrich Maschmeyer, Klaus-Diether Wiese | 2006-02-21 |
| 6680414 | Process for the hydrogenation of hydroformylation mixtures | Cord Knoop, Bernhard Scholz, Alfred Kaizik, Dietmar Gubisch, Joachim Schuler +1 more | 2004-01-20 |
| 6603047 | Condensation of aldehydes with ketones by multiphase reaction | Klaus-Diether Wiese, Guido Protzmann | 2003-08-05 |
| 6555716 | Process for the hydroformylation of olefins | Guido Protzmann, Klaus-Diether Wiese, Dirk Rottger | 2003-04-29 |
| 6500991 | Stabilizing rhodium catalysts for the hydroformylation of olefins | Klaus-Diether Wiese, Martin Trocha, Dirk Roettger, Walter Toetsch, Alfred Kaizik | 2002-12-31 |
| 6303535 | Process for reducing oxidic hydrogenation catalysts | Bernhard Scholz, Alfred Kaizik | 2001-10-16 |
| 5416215 | Process to preparing 2,2,6,6-tetra-methylpiperidine-n-oxyl and its 4-position substituted derivatives | Manfred Kaufhold, Peter Bickert | 1995-05-16 |
| 4788318 | Process for the production of 4,4,8,8,10-pentamethyl-10-cyano-bicyclo[4.4.0]-dec-1,6-en-2-one | Klaus Rindtorff | 1988-11-29 |
| 4788342 | Process for preparation of 4,4,8,8,10-pentamethylbicyclo[4,4,0]-decene-(1,6)-one(2) | — | 1988-11-29 |