Issued Patents 1989
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885395 | Preparation of alpha, beta-unsaturated ketones | Kurt Schneider, Leopold Hupfer | 1989-12-05 |
| 4879405 | Preparation of pentenoic esters | Fritz Naeumann, Franz Merger | 1989-11-07 |
| 4874899 | Preparation of unsaturated and saturated ketones | Leopold Hupfer, Kurt Schneider | 1989-10-17 |
| 4871701 | Alkali-free preparation of large pentasil crystals as coated catalysts and fully crystalline catalysts | Alfred Danner, Ulaich Mueller, Klaus Unger | 1989-10-03 |
| 4866210 | Preparation of ketones | Leopold Hupfer, Kurt Schneider | 1989-09-12 |
| 4859642 | Fixed-bed catalyst structure obtained using honeycomb elements | Michael Kroener, Peter Kroetzsch, Werner Biffar | 1989-08-22 |
| 4845269 | Preparation of 3-pentenoates from 2-pentenoates | Rolf Fischer, Manfred Sauerwald | 1989-07-04 |
| 4824973 | Preparation of 4-formyltetrahydropyrans | Wolfgang Spiegler, Norbert Goetz, Leopold Hupfer, Jochen Wild | 1989-04-25 |
| 4822920 | Preparation of cyclopentanone | Helmut Lermer, Matthias Schwarzmann | 1989-04-18 |
| 4812593 | Preparation of bifunctional compounds | Norbert Goetz, Leopold Hupfer | 1989-03-14 |
| 4806679 | Isomerization of diacyloxybutenes | Rolf Fischer, Otto Hertel, Wolf D. Mross, Hans-Martin Weitz | 1989-02-21 |
| 4804758 | Preparation of 1,4-diazabicyclo[2.2.2]octanes | Kurt Schneider, Walter F. Best | 1989-02-14 |