Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693718 | Block copolymers having improved combinations of properties | Hendrik de Groot, Karel Hendrik Leffelaar, Jacqueline M. Veurink | 1997-12-02 |
| 5691420 | Process for manufacturing multiarmed asymmetrical radial block copolymers | Karel Hendrik Leffelaar | 1997-11-25 |