Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037941 | Interfacial preparation of polycarbonate prepolymer with motionless mixer | John W. Weston, Ronald R. Smith | 1991-08-06 |
| 4847352 | Polycarbonate production with motionless mixer | John W. Weston, Ronald R. Smith | 1989-07-11 |
| 4794156 | Two stage catalytic production of high molecular weight polyhalobisphenol polycarbonates | Thoi H. Ho, Frederick B. Kassell, Che-I Kao | 1988-12-27 |