Issued Patents All Time
Showing 1–6 of 6 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 |
| 4477589 | Catalysts for the polymerization of epoxides and process for the preparation of such catalysts | Harm van der Hulst, Jan Kuyper | 1984-10-16 |
| 4446313 | Polyether polyol process | Peter J. Dix, Parminder Sangha | 1984-05-01 |
| 4385173 | Polyol polyether preparation process | Peter J. Dix | 1983-05-24 |