Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310235 | Method for producing ester plasticizers | — | 2001-10-30 |
| 6117277 | Process for the distillation of alcohols | Wolfgang Zgorzelski, Peter Lappe, Kurt Schalapski | 2000-09-12 |
| 5808168 | Process for the hydroformylation of olefinically unsaturated compounds | Helmut Bahrmann, Dieter Frohning, Wolfgang Hofs, Heinz Kalbfell, Harald Kappesser +4 more | 1998-09-15 |
| 5041228 | Process for separating mixtures of substances contained in an aqueous or aqueous/organic solution | W. A. Herrmann, Jurgen Kulpe, Werner Konkol, Hanswilhelm Bach, Ernst Wiebus +2 more | 1991-08-20 |
| 4879418 | Process for the preparation of aldehydes | Hanswilhelm Bach, Helmut Bahrmann, Boy Cornils, Volker Heim, Werner Konkol +1 more | 1989-11-07 |
| 4808757 | Process for the preparation of aldehydes | Boy Cornils, Werner Konkol, Hanswilhelm Bach, Ernst Wiebus, Helmut Bahrmann +1 more | 1989-02-28 |
| 4808758 | Hydroformylation process | Hanswilhelm Bach, Boy Cornils, Heinz-Dieter Hahn, Werner Konkol, Ernst Wiebus | 1989-02-28 |
| 4801754 | Hydroformylation process | Hanswilhelm Bach, Boy Cornils, Gehard Diekhaus, Werner Konkol, Ernest Wiebus | 1989-01-31 |
| 4711648 | Process for purification of gases | Werner Konkol, Helmut Bahrmann, Georg Dambkes, Ernst Wiebus, Hanswilhelm Bach | 1987-12-08 |
| 4684750 | Process for the production of 2-ethyl-hexanol | Gunther Kessen, Boy Cornils, Ernst Wiebus, Joseph Hibbel, Hanswilhelm Bach +1 more | 1987-08-04 |
| 4593126 | Process for preparing aldehydes | Boy Cornils, Werner Konkol, Hanswilhelm Bach, Georg Dambkes, Wolfgang Greb +2 more | 1986-06-03 |
| 4435603 | Method for preventing caking of polyols | Boy Cornils, Hanswilhelm Bach, Roderich Gartner | 1984-03-06 |
| 4346239 | Process for the preparation of 2-methylene aldehydes | Hanswilhelm Bach, Eike Brundin | 1982-08-24 |
| 4283564 | Process for preparing methacrolein | Wolfgang Bernhagen, Hanswilhelm Bach, Eike Brundin, Helmut Springer, Adolf Hack | 1981-08-11 |