Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849502 | Method of regulating the polymerization of cyclic polycarbonate with initiator and polyhydric phenol | Carol B. Wasserman | 1989-07-18 |
| 4839462 | Cyclic polycarbonate oligomers: inhibition of polymerization to linear polycarbonates | Carol B. Berman | 1989-06-13 |
| 4831001 | Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates | Carol B. Berman | 1989-05-16 |
| 4816548 | Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates | Carol B. Berman | 1989-03-28 |
| 4808696 | Method for making organobis(thioether)s, and products obtained therefrom | Tohru Takekoshi, Patricia P. Anderson | 1989-02-28 |