Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312973 | Polyurethane elastomers prepared from polyol or polymer/polyol-chain extender mixtures | Frank E. Critchfield, Leslie E. Hawker | 1982-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312973 | Polyurethane elastomers prepared from polyol or polymer/polyol-chain extender mixtures | Frank E. Critchfield, Leslie E. Hawker | 1982-01-26 |