Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861936 | Boron-promoted reducible metal oxides and methods of their use | John A. Sofranko, C. Andrew Jones | 1989-08-29 |
| 4855330 | High styrene content stable polymer polyols using epoxy resin-modified polyols as base polyols | John E. Hayes | 1989-08-08 |
| 4837246 | High molecular weight dispersants for polymer polyols | John E. Hayes | 1989-06-06 |
| 4837247 | Stable polymer polyols in base polyols with molecular weight greater than 4000 using high molecular weight dispersants | John E. Hayes | 1989-06-06 |
| 4837263 | Polymer polyol and flame retardant polyurethane foams | John E. Hayes | 1989-06-06 |