Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039724 | Process for preparing aqueous emulsions of high-molecular-weight organopolysiloxanes | Bernward Deubzer, Hans Mayer, Erich Pilzweger | 1991-08-13 |
| 4988470 | Process for preparing structures of inorganic fiber material containing silicone resin | Bernward Beubzer, Matthias Wolfgruber | 1991-01-29 |
| 4851047 | Process for preparing water-repellent articles from gypsum powder containing hydrophobic agents | Herbert Eck, Heinrich Hopf, Erich Pilzweger, Otto Zeller | 1989-07-25 |