Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6703523 | Zwitterionic polyetherpolyamines and process for their production | Dieter Boeckh, Oliver Borzyk, Ralf Norenberg, Eugene Paul Gosselink, Jeffrey Scott Dupont +3 more | 2004-03-09 |
| 6673890 | Zwitterionic polyamines and process for their production | Dieter Boeckh, Oliver Borzyk, Ralf Noerenberg, Eugene Paul Gosselink, Jeffrey Scott Dupont +3 more | 2004-01-06 |