Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482642 | Process for the production of slugs of pyrogenically produced oxides | Manfred Ettlinger, Detlev Koth, Edgar Simon | 1984-11-13 |
| 4274883 | Aqueous dispersion of a hydrophobic silica | Gerd Lumbeck | 1981-06-23 |