Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826887 | Process for the preparation of polycarbonates | Jan Kuyper, Peter W. Lednor | 1989-05-02 |
| 4826952 | Process for the preparation of polycarbonates from epoxy compound and carbon dioxide | Jan Kuyper, Peter W. Lednor | 1989-05-02 |
| 4826953 | Process for the preparation of polycarbonates from epoxy compound and carbon dioxide | Jan Kuyper, Peter W. Lednor | 1989-05-02 |