Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487853 | Low ethylene oxide/high primary hydroxyl content polyether-ester polyols and polyurethane foams based thereon | Curtis J. Reichel, William W. Levis, Jr. | 1984-12-11 |
| 4430247 | Process for preparing an oxyalkylated product | Arthur L. Austin, William W. Levis, Jr., Robert J. Hartman | 1984-02-07 |
| 4187357 | Process for the preparation of polyurethane foams | Arthur L. Austin, William W. Levis, Jr., Robert J. Hartman | 1980-02-05 |