Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814479 | Preparation of aromatic nitriles | Roland Krokoszinski, Wolfgang Franzischka, Martin Decker | 1989-03-21 |
| 4814513 | Preparation of carbonyl compounds | Fritz Graf, Leopold Hupfer, Harald Schultheiss, Michael Jolyon Sprague | 1989-03-21 |