Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102923 | Rigid polyurethane and polyisocyanurate foams | Balwant Singh, Kurt C. Frisch | 1992-04-07 |
| 4219523 | Melt-spinning acrylonitrile polymer fiber from low molecular weight polymers | — | 1980-08-26 |