Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607552 | Aqueous suspensions of colloidal particles, preparation and use of the suspensions | Hans Johansson, Erik Lindgren, Marek Tokarz | 1997-03-04 |
| 5603805 | Silica sols and use of the sols | Bo V. Larsson, Erik Lindgren | 1997-02-18 |