Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839462 | Cyclic polycarbonate oligomers: inhibition of polymerization to linear polycarbonates | Thomas L. Evans | 1989-06-13 |
| 4831001 | Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates | Thomas L. Evans | 1989-05-16 |
| 4816548 | Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates | Thomas L. Evans | 1989-03-28 |