Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866103 | Polyisocyanate compositions | Edward F. Cassidy, Jan W. Leenslag, Alain Parfondry | 1989-09-12 |
| 4816600 | Isocyanate compositions obtained from reaction of isocyanates with blocked polamines | — | 1989-03-28 |
| 4798862 | Polyureas prepared from a mixture of polyamines and polyisocyanate | — | 1989-01-17 |