Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565682 | Process for producing pyrogenic silicic acid with increased thickening effect | Stephen Loskot, Gunter Kratel, Ernst Muhlhofer | 1986-01-21 |
| 4298387 | Agglomerated mixtures of highly dispersed metal oxides and opacifiers | Gunter Kratel, Hans Katzer, Stephan Loskot, Klaus Weis | 1981-11-03 |