Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419552 | C10-alkanol alkoxylates and the use thereof | Alfred Ruland, Martin Scholtissek, Guenter Oetter | 2008-09-02 |
| 6680412 | Alcohol alkoxylates used as low-foam, or foam inhibiting surfactants | Helmut Gumbel, Martin aus dem Kahmen, Norbert Wagner | 2004-01-20 |
| 6077460 | Corrosion inhibition | Knut Oppenlander, Günter Oetter, Rudi Kroner, Norbert Mahr, Hans-Jurgen Jatzek | 2000-06-20 |
| 6057284 | Iso-tridecanolalkoxylates in block form as low-foam or antifoaming surfactants | Richard Baur, Helmut Gumbel, Bernd Burkhart, Martin aus dem Kahmen, Ulrich Kaluza | 2000-05-02 |
| 5753775 | Sulfonated and oxidized indene polymers | Eberhard Beckmann, Stefan Erren, Ulf Baus, Norbert Zimmermann, Erich Kromm +2 more | 1998-05-19 |
| 5186846 | Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate | Ralf Brueckmann, Willi Bury, Johannes P. Dix, Manfred Herrmann, Waldemar Dlugosch +4 more | 1993-02-16 |