Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886700 | Laminated composite of a rigid polyurethane modified polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof | — | 1989-12-12 |
| 4879164 | Laminated composite of a rigid polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof | — | 1989-11-07 |
| 4800058 | Method for the preparation of rigid cast or transfer molded thermoset polyurethane modified polyisocyanurate compositions | — | 1989-01-24 |