Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5458923 | Process for impregnating a building material with an organosilicon compound | Thomas Goebel, Rudolf Michel, Harald Alff | 1995-10-17 |
| 5314533 | Aqueous emulsions containing organosilicon compounds for the impregnation of inorganic materials | Thomas Goebel, Rudolf Michel, Harald Alff | 1994-05-24 |