Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603119 | Process for production of activated carbon from lignite coke | Alfons Karl, Erwin Walter, Peter Kleinschmit, Hermann Gottschlich, Roland Kutz | 1986-07-29 |
| 4503092 | Process for the hydrophobization of pyrogenically produced silica | Hans Klebe, Dieter Kerner, Josef Schmid, Manfred Schmid | 1985-03-05 |
| 4482642 | Process for the production of slugs of pyrogenically produced oxides | Manfred Ettlinger, Horst Ferch, Edgar Simon | 1984-11-13 |