Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7317128 | Process for preparing TCD-diamine | Helmut Springer, Rainer Lukas | 2008-01-08 |
| 7196128 | Carboxylic esters based on limonene alcohol [3-(4′-methylcyclohexyl)butanol] and having a low melting point | Christoph Balzarek | 2007-03-27 |
| 7122706 | Process for preparing TCD-monenal | Helmut Springer, Rainer Lukas | 2006-10-17 |
| 7074304 | Process for purifying alicyclic alcohols | Wolfgang Dukat, Klaus Schmid, Horst Scholz, Edgar Storm | 2006-07-11 |
| 7015362 | Process for preparing TCD-dialdehyde | Helmut Springer, Rainer Lukas | 2006-03-21 |
| 6982352 | Process for preparing N-methyldialkylamines from secondary dialkylamines and formaldehyde | Helmut Springer | 2006-01-03 |
| 6939997 | Process for preparing TCD-alcohol DM | Helmut Springer, Rainer Lukas | 2005-09-06 |
| 6800783 | Method for the synthesis of aliphatic carboxylic acids from aldehydes | Helmut Springer | 2004-10-05 |
| 6482972 | Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers | Helmut Bahrmann, Wilfried Fenske, Wolfgang Greb, Peter Heymanns, Thomas Muller +2 more | 2002-11-19 |
| 6117277 | Process for the distillation of alcohols | Wolfgang Zgorzelski, Kurt Schalapski, Wilhelm Gick | 2000-09-12 |
| 6051743 | Process for the preparation of predominantly unbranched higher primary alcohols | Helmut Bahrmann, Gregor Deckers, Wolfgang Greb, Peter Heymanns, Thomas Muller +2 more | 2000-04-18 |
| 6020532 | Process for the preparation of aldehydes employing catalyst compositions based on rhodium complexes containing diphosphine ligands | Helmut Bahrmann, Thomas Muller | 2000-02-01 |
| 5922634 | Catalyst systems based on rhodium complexes containing diphosphine ligands and their use in the preparation of aldehydes | Helmut Bahrmann, Thomas Muller | 1999-07-13 |
| 5847200 | Substituted diphosphines and a process for their preparation | Helmut Bahrmann, Thomas Muller | 1998-12-08 |
| 5808168 | Process for the hydroformylation of olefinically unsaturated compounds | Helmut Bahrmann, Dieter Frohning, Wilhelm Gick, Wolfgang Hofs, Heinz Kalbfell +4 more | 1998-09-15 |
| 5756854 | Process for the hydroformylation of olefinically unsaturated compounds | Helmut Bahrmann, Bernhard Fell, Zhigao Xia, Subba Kanagasabapathy | 1998-05-26 |
| 5684208 | Process for preparing pentenals | Helmut Bahrmann, Ernst Wiebus, Bernhard Fell, Peter Hermanns | 1997-11-04 |
| 5661204 | Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers | Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Thomas Muller, Jurgen Szameitat +1 more | 1997-08-26 |
| 5583250 | Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers | Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Thomas M uller, J urgen Szameitat +1 more | 1996-12-10 |
| 5516948 | Process for making a mixture of isomeric decyl alcohols | Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Thomas Muller, Jurgen Szameitat +1 more | 1996-05-14 |
| 5481045 | Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds | Wolfgang Anton Herrmann, Rainer Manetsberger, Helmut Bahrmann, Christian Kohlpaintner | 1996-01-02 |
| 5462986 | Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as placticizers | Helmut Bahrmann, Wolfgana Greb, Peter Heymanns, Thomas Muller, Jurgen Szameitat +1 more | 1995-10-31 |
| 5463147 | Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers | Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Thomas Muller, Jurgen Szameitat +1 more | 1995-10-31 |
| 5451698 | Process for the preparation of sulfonated arylphosphines | Helmut Bahrmann, Wolfgang Anton Herrmann, Rainer Manetsberger, Guido Albanese, Klaus Bergrath | 1995-09-19 |
| 5410072 | Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants | Helmut Bahrmann, Wolfgang Greb, Georg Dambkes, Peter Heymanns, Heinz Kalbfell +6 more | 1995-04-25 |