Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902780 | Process for purifying styrene/vinylpyridine copolymer using supercritical carbon dioxide | Paul Bourrain, Gerard Collas, Jean-Francois Rostaing | 1990-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902780 | Process for purifying styrene/vinylpyridine copolymer using supercritical carbon dioxide | Paul Bourrain, Gerard Collas, Jean-Francois Rostaing | 1990-02-20 |