Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371183 | Preparation of urethane from polyamine and carbon dioxide | Dennis P. Riley | 1994-12-06 |
| 5349048 | Preparation of polycarbonate products | Dennis P. Riley | 1994-09-20 |
| 5349081 | Process for preparing isocyanates | — | 1994-09-20 |
| 5344934 | Preparation of urethane and caronate products | Dennis P. Riley, John J. Talley, Barry L. Parnas | 1994-09-06 |
| 5302717 | Preparation of urethane and carbonate products | John J. Talley | 1994-04-12 |
| 5298651 | Process for preparing isocyanates using phosphazine catalysts | Thomas E. Waldman | 1994-03-29 |