Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344633 | Alkali metal silicate composition with potassium compound additive | Olle Sorensson | 1994-09-06 |
| 5338528 | Alkali metal silicate composition with sodium carbonate additive | Olle Sorensson | 1994-08-16 |