Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980105 | Method for extruder devolatilization of spiro(bis)indane polycarbonates | Joel Caraher, John Lester Maxam | 1990-12-25 |
| 4511535 | Liquid monomer feed pipe for continuous extrusion polymerization | Eric M. Lovgren | 1985-04-16 |
| 4443591 | Method for making polyetherimide | Eric M. Lovgren | 1984-04-17 |
| 4443592 | Method for making polyetherimide | Eric M. Lovgren, Peter G. Meissner | 1984-04-17 |