Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874739 | Silver-containing catalyst, process for the preparation of the catalyst and the catalyst prepared by the process | — | 1989-10-17 |
| 4829044 | Silver catalyst and process for its preparation | Aan Hendrik Klazinga | 1989-05-09 |
| 4806518 | Process for the preparation of a silver-containing ethylene oxide catalyst and the catalyst prepared by the process | Peter Schoenmakers, Otto M. Velthuis | 1989-02-21 |