Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745175 | Condensation products of thioalkylene oxides of polythio-alkylene oxides with polyalkylene oxides, their preparation and their use as breakers for water-in-oil emulsions | Thomas Scholl, Hermann Perrey | 1988-05-17 |
| 4739094 | Alkoxylated aminopolyethers, a process for their preparation | Jan Mazanek, Hanns P. Muller, Roland Nast, Franz-Moritz Richter, Walter Schafer | 1988-04-19 |
| 4670516 | Copolymers based on maleic anhydride and .alpha., .beta.-unsaturated compounds a process for their preparation and their use as paraffin inhibitors | Gunter Sackmann, Jan Mazanek, Herbert Bartl | 1987-06-02 |
| 4603738 | Process and means for preventing blockages of crude oil deposits by the formation of emulsion due to deposits of asphalt | Armand de Montigny, Hansjurgen Botsch | 1986-08-05 |
| 4471015 | Composite material for shielding against electromagnetic radiation | Harold Ebneth, Hans G. Fitzky | 1984-09-11 |
| 4435465 | Composite material for shielding against electromagnetic radiation | Harold Ebneth, Hans G. Fitzky | 1984-03-06 |
| 4317890 | Thermoplastic synthetic material and a process for its production | Wilhelm Goyert, Albert Awater, Wolfgang Grimm, Karl-Heinz Ott, Hans Wagner | 1982-03-02 |
| 4254176 | Novel transparent polyurethane polyurea films for lamination of glazing materials and their method of production | Hanns P. Muller, Kuno Wagner, Bernd Quiring | 1981-03-03 |