Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918220 | Separation of toluene diisocyanate from the residues of the production thereof | Georges Gros, Ferenc Sagi | 1990-04-17 |
| 4902780 | Process for purifying styrene/vinylpyridine copolymer using supercritical carbon dioxide | Paul Bourrain, Jean-Francois Rostaing, Francois Sagi | 1990-02-20 |
| 4871828 | Purification/isolation of isocyanate condensates | Andre Blind, Jean-Pierre Robin, Ferenc Sagi | 1989-10-03 |