Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643414 | Silica sols in papermaking | Bo V. Larsson | 1997-07-01 |
| 5607552 | Aqueous suspensions of colloidal particles, preparation and use of the suspensions | Kjell Andersson, Erik Lindgren, Marek Tokarz | 1997-03-04 |