Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868224 | Process for the production of molded products using internal mold release agents | Michael Hurley, Timothy Kelly, Kenneth J. Naleppa, Neil H. Nodelman, Donald W. Schumacher +2 more | 1989-09-19 |
| 4847307 | Rim polyurethane compositions containing internal mold release agents | John E. Dewhurst | 1989-07-11 |