Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642304 | Activated carbon and process for its production | Alfons Karl, Peter Kleinschmit, Hermann Gottschlich, Roland Kutz, Detley Koth | 1987-02-10 |
| 4603119 | Process for production of activated carbon from lignite coke | Alfons Karl, Peter Kleinschmit, Hermann Gottschlich, Roland Kutz, Detlev Koth | 1986-07-29 |
| 4379871 | Process for the production of carbon black containing pigment-synthetic resin concentrates | Peter Werle, Hans Graf | 1983-04-12 |