Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347388 | 3,6-Dimethyl-3-hydroxy-oct-1-ynes and -oct-1-enes, derivatives of these, and their use as scents, and in the preparation of 3,6-dimethyl-3-hydroxy-octane | Walter Gramlich, Werner Hoffmann, Leopold Hupfer, Juergen Paetsch | 1982-08-31 |
| 4301084 | Process for the preparation of carboxylic acid esters of .beta.-formyl-crotyl alcohol by an allyl rearrangement | Harald Laas, Axel Nissen | 1981-11-17 |
| 4235823 | Preparation of diketones | Christian Dudeck, Gunter Lehmann, Karl-Heinz Ross, Werner Fliege, Norbert Petri +2 more | 1980-11-25 |
| 4233246 | Manufacture of aliphatic hydroxycarbonyl compounds etherified with aliphatic groups | Christian Dudeck, Gunter Lehmann, Norbert Petri, Hans Diem, Werner Fliege +2 more | 1980-11-11 |
| 4229590 | Preparation of alkyl pyruvates | Christian Dudeck, Gunter Lehmann, Hans Diem, Werner Fliege, Norbert Petri +1 more | 1980-10-21 |
| 4192820 | Preparation of 3-methyl-2-buten-1-al | Werner Fliege, Otto Woerz, Christian Dudeck, Hans Diehm | 1980-03-11 |
| 4188344 | Production of 4-(m,m'-ditert.-butyl-p-hydroxyphenyl)-butan-2-ones | Roman Fischer, Werner Fliege, Wolfgang Koernig | 1980-02-12 |