Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812587 | Process for selective hydrogenation of C--C double bonds in the presence of reducible, nitrogen-containing groups and new ruthenium complex compounds | Rudolf Braden, Hartmuth Buding | 1989-03-14 |
| 4795788 | Process for the selective hydrogenation of unsaturated polymers containing nitrile groups | Thomas Himmler, Rudolf Braden, Hartmuth Buding | 1989-01-03 |