Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267719 | Use of colloidal PCC | Ib Attrup, Jens Toftelund Madsen | 2007-09-11 |
| 6887351 | Process for regulating the porosity and printing properties of paper by use of colloidal precipitated calcium carbonate, and paper containing such colloidal precipitated calcium carbonate | Ib Attrup, Jens Toftelund Madsen | 2005-05-03 |
| 6143065 | Precipitated calcium carbonate product having improved brightness and method of preparing the same | Gary M. Freeman, John M. M. Harrison | 2000-11-07 |