Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091002 | Preparation for the water-repellent impregnation of porous mineral building materials | Eckehard Schamberg, Gotz Koerner, Manfred Grasse, Roland Sucker | 1992-02-25 |
| 4486476 | Preparation for making inorganic building materials water-repellent | Gotz Koerner, Herbert Quilitsch, Eckehard Schamberg | 1984-12-04 |