Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492549 | Process for preparing alkylene diamine triacetic acid | Marcellinus Alexander Van Doorn, Johannes Wilhelmus Driessen, Tjerk Oedse Boonstra | 2002-12-10 |
| 6458980 | Chelating agents and their manganic chelates | Christer L. Hakanson | 2002-10-01 |