Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866143 | Novel surfactants based on poly(alkylene carbonate)s | Edward M. Dexheimer | 1989-09-12 |
| 4849459 | Flame retardant polyurethane foams | Oscar M. Grace, William W. Levis, Jr. | 1989-07-18 |