Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965029 | Process for preparing polyurethane foams having zones of differing hardness | Werner A. Lidy | 1990-10-23 |
| 4714574 | Process for making polyurethane foam | — | 1987-12-22 |
| 4595565 | Equipment for mixing liquid reactants | — | 1986-06-17 |
| 4304872 | Flexible polyurethane foams having substantial number of cells with internal residual cell surface of 60 to 90 percent | — | 1981-12-08 |
| 4276385 | Process for preparing cold-cured molded polyurethane flexible from a high molecular weight siloxane and a solvent | — | 1981-06-30 |