Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361659 | Adhesives and coating materials based upon alkali metal silicate solutions | Bernhard Laut | 1982-11-30 |
| 4341559 | Binders based upon solutions of alkali metal silicates | Norbert Maak, Kurt Feulner | 1982-07-27 |