Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268423 | Building compositions which comprise hydrophobicizing powders comprising organosilicon compounds | Hans Mayer, Albert Hausberger, Rudolf Hager | 2001-07-31 |
| 5962585 | Aqueous creams of organosilicon compounds for hydrophobicizing building materials | Hans Mayer, Albert Hausberger | 1999-10-05 |
| 5661196 | Organopolysiloxane-containing compositions which are self-dispersing in water | Hans Mayer, Gunther Kolleritsch | 1997-08-26 |
| 5399191 | Compositions for the impregnation of mineral building materials | Hans Mayer, Wilhelm Kammerbauer | 1995-03-21 |