Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829097 | Process for the preparation of an isocyanurate modified polyurethane foam and the resulting foam | Pertti Tormala, Timo Pohjonen, Eero Jormalainen, Kauko Linna | 1989-05-09 |