Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827858 | Method for separating alkali metal ions from alkoxylates | Joachim Bader, Armin Brucker, Toni Dockner, Gabriele Iffland, Hans-Joachim Klink +3 more | 2004-12-07 |
| 5554742 | Preparation of alkyl glycosides | Gerhard Wolf, Alfred Oftring, Georg Schuh, Helmut Wolf, Rudolf Alt +1 more | 1996-09-10 |
| 5539134 | Process for the preparation of N-alkanoyl-polyhydroxyalkylamines | Beate Strecker, Helmut Wolf, Gerhard Wolf, Alfred Oftring, Dieter Hertel | 1996-07-23 |
| 4900479 | Preparation of carbonyl halides of more than 7 carbon atoms | Enrique Freudenberg, Peter Wittmer, Andreas Hohmann | 1990-02-13 |
| 4705649 | Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts | Wolf-Dieter Balzer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder +1 more | 1987-11-10 |
| 4695412 | Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts | Wolf-Dieter Balzer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder +1 more | 1987-09-22 |
| 4693848 | Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids | Wolf-Dieter Balzer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder +1 more | 1987-09-15 |
| 4588531 | Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids | Wolf-Dieter Balzer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder +1 more | 1986-05-13 |