Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885395 | Preparation of alpha, beta-unsaturated ketones | Wolfgang Hoelderich, Kurt Schneider | 1989-12-05 |
| 4874899 | Preparation of unsaturated and saturated ketones | Wolfgang Hoelderich, Kurt Schneider | 1989-10-17 |
| 4866210 | Preparation of ketones | Wolfgang Hoelderich, Kurt Schneider | 1989-09-12 |
| 4851584 | Preparation of carbonyl compounds | Fritz Graf, Harald Schultheiss | 1989-07-25 |
| 4824973 | Preparation of 4-formyltetrahydropyrans | Wolfgang Spiegler, Wolfgang Hoelderich, Norbert Goetz, Jochen Wild | 1989-04-25 |
| 4814513 | Preparation of carbonyl compounds | Fritz Graf, Heinz Engelbach, Harald Schultheiss, Michael Jolyon Sprague | 1989-03-21 |
| 4812593 | Preparation of bifunctional compounds | Wolfgang Hoelderich, Norbert Goetz | 1989-03-14 |