Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630530 | Method and composition of a hydrophilic polymer dispersion containing a colloidal silica to be used for the retention aids of fine particles in papermaking system | — | 2003-10-07 |
| 6531531 | Method and composition of a hydrophilic polymer dispersion containing an inorganic flocculant to be used for the treatment of waste water | — | 2003-03-11 |