| 5663435 |
Reaction products of aminoalkylenecarboxylic acids and mineral oil middle distillates which contain them |
Gabriele Dralle-Voss, Knut Oppenlander, Bernd Wenderoth, Wolfgang Kasel |
1997-09-02 |
| 5472617 |
Method of demulsifying crude oil and water mixtures with copolymers of acrylates or methacrylates and hydrophilic commonomers |
Richard Baur, Stevano Crema, Knut Oppenlaender, Juergen Lasowski |
1995-12-05 |
| 5393463 |
Use of trialkanolamine polyethers as demulsifiers for oil-in-water emulsions |
Rolf Fikentscher, Knut Oppenlaender, Johannes P. Dix, Wilfried Sager, Hans-Henning Vogel +1 more |
1995-02-28 |
| 5376155 |
Mineral oil middle distillate compositions |
Gabriele Dralle-Voss, Knut Oppenlaender, Bernd Wenderoth, Wolfgang Kasel |
1994-12-27 |
| 5282872 |
Fuel for Otto-cycle engines |
Knut Oppenlaender, Brigitte Wegner, Juergen Mohr, Roland Schwen, Juergen Thomas |
1994-02-01 |
| 5178641 |
Middle distillates of crude oil having improved cold flow properties |
Gerd Konrad, Bernd Wenderoth, Erich Schwartz, Hans-Juergen Raubenheimer, Heinrich Hartmann |
1993-01-12 |
| 5071445 |
Novel reaction products of aminoalkylene polycarboxylic acids with secondary amines and middle distillate compositions containing the aforesaid |
Knut Oppenlaender, Brigitte Wegner, Erich Schwartz, Egon Buettner, Manfred Schramm |
1991-12-10 |
| 4935162 |
Alkoxylated amido-containing polyamines and their use for breaking oil-in-water and water-in-oil emulsions |
Richard Baur, Rolf Fikentscher, Juergen Lasowski, Knut Oppenlaender |
1990-06-19 |
| 4814394 |
Polyethers obtainable by reacting alkylolated bis-(4-hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers |
Knut Oppenlaender, Juergen Lasowski, Richard Baur |
1989-03-21 |
| 4705834 |
Crosslinked oxyalkylated polyalkylenepolyamines |
Richard Baur, Knut Oppenlaender |
1987-11-10 |
| 4675348 |
Process for optimizing the properties of aqueous polymer solutions used in polymer flooding |
Franz-Dieter Martischius, Dieter Karau, Werner Arnold |
1987-06-23 |
| 4546151 |
Oxyalkylated polyamidoamines and their preparation |
Richard Baur, Knut Oppenlander, Rainer Strickler |
1985-10-08 |
| 4517114 |
Inhibitors against corrosion caused by CO.sub.2 and H.sub.2 S in water-in-oil emulsions |
Knut Oppenlaender, Karl Stork |
1985-05-14 |
| 4436639 |
Ammonium salts of polymaleic acids and use as corrosion inhibitors in water-in-oil emulsions |
Knut Oppenlaender, Karl Stork |
1984-03-13 |
| 4405494 |
Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids as corrosion inhibitors in water-in-oil emulsions |
Knut Oppenlaender, Erich Schwartz, Wilhelmus Slotman |
1983-09-20 |
| 4388213 |
Cyclic amidine based corrosion inhibitors which inhibit corrosion caused by CO.sub.2 and H.sub.2 S |
Knut Oppenlaender, Karl Stork |
1983-06-14 |
| 4388214 |
Imidazoline based corrosion inhibitors which inhibit corrosion caused by CO.sub.2 and H.sub.2 S |
Knut Oppenlaender, Karl Stork |
1983-06-14 |
| 4324675 |
Protective additive for radiators in coolants containing water |
Gert Liebold |
1982-04-13 |
