Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898971 | Liquid isocyanate prepolymers | — | 1990-02-06 |
| 4885353 | Liquid isocyanate prepolymers | — | 1989-12-05 |
| 4883909 | Liquid diphenylmetane diisocyanate compositions | — | 1989-11-28 |
| 4837359 | Process for the production of polyisocyanates with biuret structures | Helmut Woynar, Klaus Konig, Josef Pedain | 1989-06-06 |
| 4810820 | Process for the production of polyisocyanates containing allophanate groups | Terry A. Potter, Kenneth L. Dunlap | 1989-03-07 |