Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886902 | Process for the preparation of isocyanates and their use for the preparation of polyisocyanates containing ester groups | Werner Mormann | 1989-12-12 |
| 4870198 | Process for the preparation of isocyanates and their use for the preparation of polyisocyanates containing ester | Werner Mormann | 1989-09-26 |