Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886838 | Internal mold release agent for use in reaction injection molding | — | 1989-12-12 |
| 4847307 | Rim polyurethane compositions containing internal mold release agents | Stephen J. Harasin | 1989-07-11 |