Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358419 | Process for the purification of wastewater from the aldolization reaction | Mariola Rötzheim, Wolfgang Greb, Wolfgang Zgorzelski, Carl D. Frohning, Klaus Denkmann | 2002-03-19 |
| 5808168 | Process for the hydroformylation of olefinically unsaturated compounds | Helmut Bahrmann, Dieter Frohning, Wilhelm Gick, Wolfgang Hofs, Harald Kappesser +4 more | 1998-09-15 |
| 5410072 | Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants | Helmut Bahrmann, Wolfgang Greb, Georg Dambkes, Peter Heymanns, Peter Lappe +6 more | 1995-04-25 |
| 4918247 | Process for the preparation of 2,2-dimethylpropanediol-1,3 | Norbert Breitkopf, Wolfgang Hofs, Franz Thonnessen, Peter Lappe, Helmut Springer | 1990-04-17 |
| 4577043 | Process for the preparation of aldehydes | Bernhard Lieder, Herbert Mercamp | 1986-03-18 |
| 4533755 | Process for the hydroformylation of olefins | Boy Cornils, Josef Hibbel, Gunther Kessen, Werner Konkol, Bernhard Lieder +2 more | 1985-08-06 |