Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627592 | Pasty washing agent | Khalil Shamayeli, Thomas Merz, Heinrich-Peter Furitsch | 2003-09-30 |
| 4486314 | Process for the handling of waste waters | Gerd Krapp, Klaus Schumann, Heinz Smolka | 1984-12-04 |
| 4249903 | Process for the preparation of alumino-silicate granulates | Heinz Smolka | 1981-02-10 |