| 5178641 |
Middle distillates of crude oil having improved cold flow properties |
Gerd Konrad, Bernd Wenderoth, Klaus Barthold, 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, Klaus Barthold, Egon Buettner, Manfred Schramm |
1991-12-10 |
| 4675025 |
Aqueous coal dispersions |
Knut Oppenlaender, Karl Stork, Friedrich Hovemann |
1987-06-23 |
| 4657560 |
Aqueous coal dispersions |
Knut Oppenlaender, Karl Stork, Friedrich Hovemann |
1987-04-14 |
| 4537701 |
Demulsifiers for breaking crude-oil emulsions and their use |
Knut Oppenlaender, Rolf Fikentscher, Egon Buettner, Wilhelmus Slotman, Rudolf Mohr |
1985-08-27 |
| 4435298 |
Ammonium salts of polymaleic acids, and their use as corrosion inhibitors in mineral oils |
Knut Oppenlaender, Karl Stork, Hans-Henning Vogel, Claus P. Jakob |
1984-03-06 |
| 4417038 |
Ethylene-alkyne copolymers, their preparation and their use as additives to petroleum distillates |
Hans-Henning Vogel, Manfred Schramm, Michael J. Werner |
1983-11-22 |
| 4405494 |
Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids as corrosion inhibitors in water-in-oil emulsions |
Knut Oppenlaender, Klaus Barthold, Wilhelmus Slotman |
1983-09-20 |
