Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466644 | Reactivation of water-soluble hydroformylation catalysts | Helmut Bahrmann, Wolfgang Anton Herrmann, Christian Kohlpaintner | 1995-11-14 |
| 5091350 | Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom | Boy Cornils, Helmut Bahrmann, Hanswilhelm Bach, Ernest Wiebus, Wolfgang Lipps | 1992-02-25 |
| 5051522 | Complex compound of rhodium-containing sulfonated triphenylphosphane | Helmut Bahrmann, Wolfgang Anton Herrmann, Jurgen Kulpe | 1991-09-24 |
| 5041228 | Process for separating mixtures of substances contained in an aqueous or aqueous/organic solution | W. A. Herrmann, Jurgen Kulpe, Hanswilhelm Bach, Wilhelm Gick, Ernst Wiebus +2 more | 1991-08-20 |
| 4879418 | Process for the preparation of aldehydes | Hanswilhelm Bach, Helmut Bahrmann, Boy Cornils, Wilhelm Gick, Volker Heim +1 more | 1989-11-07 |
| 4808757 | Process for the preparation of aldehydes | Boy Cornils, Hanswilhelm Bach, Wilhelm Gick, Ernst Wiebus, Helmut Bahrmann +1 more | 1989-02-28 |
| 4808758 | Hydroformylation process | Hanswilhelm Bach, Boy Cornils, Wilhelm Gick, Heinz-Dieter Hahn, Ernst Wiebus | 1989-02-28 |
| 4801754 | Hydroformylation process | Hanswilhelm Bach, Boy Cornils, Wilhelm Gick, Gehard Diekhaus, Ernest Wiebus | 1989-01-31 |
| 4795727 | Rhodium catalysts and methods of preparation and use thereof | Hanswilhelm Bach, Helmut Bahrmann, Boy Cornils, Ernst Wiebus | 1989-01-03 |
| 4740626 | Process for the preparation of aldehydes | Helmut Bahrmann, Jugen Weber, Hanswilhelm Bach, Ludger Bexten | 1988-04-26 |
| 4731485 | Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom | Boy Cornils, Helmut Bahrmann, Hanswilhelm Bach, Ernest Wiebus, Wolfgang Lipps | 1988-03-15 |
| 4723047 | Process for the preparation of nonadecanediols | Helmut Bahrmann, Boy Cornils, Jurgen Weber, Ludger Bexten, Hanswilhelm Bach | 1988-02-02 |
| 4711648 | Process for purification of gases | Helmut Bahrmann, Georg Dambkes, Wilhelm Gick, Ernst Wiebus, Hanswilhelm Bach | 1987-12-08 |
| 4616096 | Process for the production of aldehydes | Boy Cornils, Helmut Bahrmann, Wolfgang Lipps | 1986-10-07 |
| 4593126 | Process for preparing aldehydes | Boy Cornils, Hanswilhelm Bach, Georg Dambkes, Wilhelm Gick, Wolfgang Greb +2 more | 1986-06-03 |
| 4578523 | Process for the preparation of aldehydes | Helmut Bahrmann, Boy Cornils, Wolfgang Lipps | 1986-03-25 |
| 4533755 | Process for the hydroformylation of olefins | Boy Cornils, Josef Hibbel, Gunther Kessen, Bernhard Lieder, Ernst Wiebus +2 more | 1985-08-06 |
| 4523036 | Process for the preparation of aldehydes | Boy Cornils, Josef Hibbel, Bernhard Lieder, Joachim Much, Volkmar Schmidt +1 more | 1985-06-11 |
| 4215073 | Process for the production of diamines | Boy Cornils, Gerhard Diekhaus, Ernst Wiebus | 1980-07-29 |