Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880897 | Process for preparing aromatic polycarbonates | Che-l Kao | 1989-11-14 |
| 4826900 | Ignition resistant modified carbonate polymer composition | Samuel A. Ogoe | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880897 | Process for preparing aromatic polycarbonates | Che-l Kao | 1989-11-14 |
| 4826900 | Ignition resistant modified carbonate polymer composition | Samuel A. Ogoe | 1989-05-02 |