Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852104 | Aqueous polyurethane dispersions containing structural units derived from alkenyl- or alkylsuccinic acid | Nicholas Kokel, Karl Haberle, Kuno Beutler, Jurgen Reichert, Peter Weyland +5 more | 1998-12-22 |
| 5846453 | Process for producing oligoamines or polyamines | Jurgen Mohr, Wolfgang Knauf, Wolf-Dieter Balzer, Wilhelmus Slotman | 1998-12-08 |
| 5795482 | Use of hydrocarbon-soluble aminomethylene phosphonic acid derivatives in the solvent extraction of iron ions from aqueous solutions | Michael Ehle | 1998-08-18 |
| 5766273 | Polymer blends and their use as additives for mineral oil middle distillates | Gabriele Dralle-Voss, Bernd Wenderoth, Dieter Faul, Wolfgang Kasel | 1998-06-16 |
| 5767202 | Modified copolymers suitable as paraffin dispersants, their preparation and use and mineral oil middle distillates containing them | Gabriele Dralle-Voss, Dieter Faul, Joachim Roser, Heinrich Hartmann, Bernd Wenderoth | 1998-06-16 |
| 5759409 | Separation of water from crude oil and oil demulsifiers used for this purpose | Wolfgang Knauf, Wilhelmus Slotman | 1998-06-02 |
| 5756078 | Aqueous preparations, comprising alkyl polyglyosides and a polymer | Günter Oetter, Hans-Ulrich Wekel | 1998-05-26 |
| 5747616 | Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates | Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch +3 more | 1998-05-05 |
| 5744066 | Defoaming and deaerating mixtures for aqueous media prone to foaming | Gabriele Dralle-Voss, Rudolf Schuhmacher | 1998-04-28 |
| 5726266 | Copolymers based on diketenes, ethylenically unsaturated dicarboxylic acids or dicarboxylic acid derivatives and ethylenically unsaturated hydrocarbons | Dieter Faul, Joachim Roser, Heinrich Hartmann, Gabriele Dralle-Voss, Bernd Wenderoth | 1998-03-10 |
| 5684108 | Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates | Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch +3 more | 1997-11-04 |
| 5663435 | Reaction products of aminoalkylenecarboxylic acids and mineral oil middle distillates which contain them | Gabriele Dralle-Voss, Klaus Barthold, Bernd Wenderoth, Wolfgang Kasel | 1997-09-02 |
| 5660601 | Polyetheramine-containing fuels for gasoline engines | Wolfgang H. H. Gunther, Andreas Henne, Volkmar Menger, Rainer Becker, Wolfgang Reif +3 more | 1997-08-26 |
| 4546151 | Oxyalkylated polyamidoamines and their preparation | Richard Baur, Rainer Strickler, Klaus Barthold | 1985-10-08 |