Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873349 | Ruthenium catalyst for biarylic coupling; new steganolides | Yannick Landais | 1989-10-10 |
| 4871460 | Isolation/purification of isocyanate condensates by extraction with liquid or supercritical gas | Andre Blind | 1989-10-03 |
| 4871828 | Purification/isolation of isocyanate condensates | Andre Blind, Gerard Collas, Ferenc Sagi | 1989-10-03 |
| 4864025 | Substantially pure isocyanurate/polyisocyanates | Andre Blind | 1989-09-05 |
| 4828753 | Storage-stable organic solutions of polyisocyanates | — | 1989-05-09 |