Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4248975 | Rigid shrink stable polyurethane foam derived from an adduct of an alkylene oxide having at least three carbon atoms and a polyol having at least four hydroxy groups and blown with a fluorinated-chlorinated alkane | — | 1981-02-03 |
| 4233408 | Polyurethane foams from polyester precursor derived from adipic acid process waste | Frank Edward Livingston | 1980-11-11 |