Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500310 | Process for the treatment of waste water | Robert Frank Dee | 2002-12-31 |
| 6437207 | Process for the preparation of styrenes | Hendrik Dirkzwager | 2002-08-20 |
| 6420620 | Process for preparing styrenes | Johan Hendrik De Bie, Hendrik Dirkzwager, Robertus Raymundus Maria Overtoom | 2002-07-16 |