Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7259279 | Process for preparing aldehydes | Dietmar Thiel | 2007-08-21 |
| 7102034 | Process for preparing sulfonated arylphosphines | Michael Riedel, Ernst Wiebus, Wilfried Fenske, Florian Rampf, Jurgen Herwig +8 more | 2006-09-05 |
| 6864387 | Process for preparing sulfonated arylphosphines | Michael Riedel, Ernst Wiebus, Wilfried Fenske, Florian Rampf, Jurgen Herwig +8 more | 2005-03-08 |
| 6700021 | Preparation of aldehydes | Hans Bohnen, Ernst Wiebus | 2004-03-02 |
| 6610881 | Method for producing sulfonated aryl phosphines | Michael Riedel, Jurgen Herwig, Helmut Bahrmann, Klaus Bergrath, Wolfgang Zgorzel-Ski +4 more | 2003-08-26 |
| 6358419 | Process for the purification of wastewater from the aldolization reaction | Mariola Rötzheim, Wolfgang Greb, Wolfgang Zgorzelski, Klaus Denkmann, Heinz Kalbfell | 2002-03-19 |
| 6274774 | Process for preparing aldehydes in the presence of an aqueous phase containing rhodium and sulphonated triarylphosphines as catalyst | Sandra Bogdanovic, Helmut Bahrmann | 2001-08-14 |
| 6211414 | Process for preparing aldehydes by hydroformylation | Sandra Bogdanovic, Helmut Bahrmann, Ernst Wiebus | 2001-04-03 |
| 6191063 | Catalyst and process for the production of aldehydes by hydroformylation of olefinically unsaturated compounds | Sandra Bogdanovic, Helmut Bahrmann, Matthias Beller, Steffen Haber, Hans-Jerg Kleiner | 2001-02-20 |
| 6160180 | Tertiary phosphanes containing alkylene glycol groups | Steffen Haber, Hans-Jerg Kleiner, Sandra Bogdanovic, Helmut Bahrmann | 2000-12-12 |
| 6096931 | Process for preparing alcohols | Wolfgang Zgorzelski, Hans Liebern | 2000-08-01 |
| 5684215 | One stage process for the preparation of alcohols | Gerhardt Horn | 1997-11-04 |
| 5663445 | Process for the preparation of alcohols or amines | Gerhardt Horn | 1997-09-02 |
| 5600030 | Hydrogenation catalyst, a process for its preparation and use thereof | Gregor Deckers, Gerhard Diekhaus, Bernd Dorsch, Gerhardt Horn, Horst B. Horrig | 1997-02-04 |
| 5550297 | Process for the preparation of alcohols or amines | Gerhardt Horn | 1996-08-27 |
| 5498587 | Hydrogenation catalyst, a process for its preparation, and use thereof | Gregor Deckers, Gerhard Diekhaus, Bernd Dorsch, Gerhardt Horn, Horst B. Horrig | 1996-03-12 |
| 5475161 | Process for the preparation of alcohols in two stages | Gerhardt Horn, Hans Liebern, Wolfgang Zgorzelski | 1995-12-12 |
| 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 |
| 5302569 | Copper/zinc oxide/aluminum oxide-containing catalysts | Gerhard Horn | 1994-04-12 |
| 5155084 | Supported catalysts and a process for their preparation | Gerhardt Horn | 1992-10-13 |
| 4956328 | Process for the preparation of catalyst compositions containing nickel, alumina, and zirconium dioxide and catalysts made therefrom | Gerhardt Horn | 1990-09-11 |
| 4564642 | Process for the manufacture of unsaturated hydrocarbons | Bernd Bussemeier, Gerhardt Horn, Werner Kluy | 1986-01-14 |
| 4472526 | Process for producing ethanol and n-propanol from methanol and synthesis gas | Boy Cornils, Helmut Bahrmann, Wolfgang Lipps | 1984-09-18 |
| 4455395 | Process for the production of unsaturated hydro-carbons | Bernd Bussemeier, Gerhardt Horn, Werner Kluy | 1984-06-19 |
| 4424383 | Process for producing ethanol and n-propanol from methanol | Boy Cornils, Gerhard Diekhaus, Ernst Wiebus, Helmut Bahrmann | 1984-01-03 |