Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038961 | Apparatus and process for preparing silanes | Raymund Sonnenschein, Peter Adler, Tim Popken | 2011-10-18 |
| 6270676 | Process for removing ethers and/or polycyclic aromatic hydrocarbons from water containing them | Gerda Grund | 2001-08-07 |
| 6117331 | Processes for the purification of waters containing organic constituents | Peter Fast, Gerda Grund | 2000-09-12 |
| 5681476 | Process for the purification of groundwater | Gerda Grund | 1997-10-28 |
| 5461144 | Process for the preparation of alkyl polyglycosides | Stefan Schmidt, Alfred Oberholz | 1995-10-24 |
| 5227480 | Process for the preparation of alkyl glycosides and alkyl oligoglycosides | Alfred Oberholz, Stefan Schmidt | 1993-07-13 |
| 5177229 | Process for the preparation of esters | Alfred Oberholz, Udo Knippenberg, Michael Zolffel | 1993-01-05 |