Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871828 | Purification/isolation of isocyanate condensates | Andre Blind, Gerard Collas, Ferenc Sagi | 1989-10-03 |
| 4871460 | Isolation/purification of isocyanate condensates by extraction with liquid or supercritical gas | Andre Blind | 1989-10-03 |
| 4864025 | Substantially pure isocyanurate/polyisocyanates | Andre Blind | 1989-09-05 |
| 4828753 | Storage-stable organic solutions of polyisocyanates | — | 1989-05-09 |
| 4697014 | Catalytic partial cyclotrimerization of polyisocyanates and product thereof | — | 1987-09-29 |
| 4675401 | Process for preparing polyisocyanato/polyisocyanurates by catalytic cyclotrimerization of polyisocyanates | — | 1987-06-23 |
| 4537961 | Catalytic cyclotrimerization of polyisocyanates | — | 1985-08-27 |
| 4412073 | Isocyanurate preparation by catalytic, aminosilyl initiated cyclotrimerization of isocyanates | — | 1983-10-25 |
| 4342860 | Polyisocyanato/imido compositions and imide group containing polymers prepared therefrom | Jean-Louis Locatelli | 1982-08-03 |
| 4342861 | Polyisocyanato/imido compositions and imide group containing polymers prepared from polyisocyanate, polyimide and copolymerizable comonomer | Jean-Louis Locatelli | 1982-08-03 |
| 4302572 | Polyisocyanatoimido compositions and imide group containing polymers prepared therefrom | Jean-Louis Locatelli | 1981-11-24 |