Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946990 | Process for the preparation of isocyanates and their use of the preparation of polyisocyanates containing ester groups | Werner Mormann | 1990-08-07 |
| 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 |