Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641386 | Aminoalkane diphosphonic acids in pulp bleaching | Eltjo Boelema, Lambertus Gerhardus Johannus Olde Hanter, Marcellinus Alexander Van Doorn | 1997-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641386 | Aminoalkane diphosphonic acids in pulp bleaching | Eltjo Boelema, Lambertus Gerhardus Johannus Olde Hanter, Marcellinus Alexander Van Doorn | 1997-06-24 |