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Process for preparing polycarbonates using a catalyst system having a quarternary nitrogen compond and a quarternary phosphorous compound |
— |
2024-04-02 |
| 10881981 |
Method for producing a polycarbonate using a stripping device |
Dieter Kloos, Malte Bracht |
2021-01-05 |
| 10752326 |
Watercraft self-rescue reentry device |
— |
2020-08-25 |
| 9410015 |
Method and plant for producing polycarbonate |
— |
2016-08-09 |
| 8124018 |
Modular device for the continuous degassing and production of polymer precondensate with high reaction product surface to volume ratio with gentle treatment of the reaction product mass |
Clifford Schaeferskuepper, Stephan R. Biller, Andreas Hilpert |
2012-02-28 |
| 8066948 |
Reactor for the continuous and simultaneous production of different polyester products having adjustable variable viscosity, the progress of the process being regulated via the hydraulic drive system |
Clifford Schaeferskurpper, Andreas Hilpert |
2011-11-29 |
| 7444931 |
Portable can crushing and pickup device |
— |
2008-11-04 |
| 7267052 |
Portable can crushing and pickup device |
— |
2007-09-11 |
| 5499652 |
Distributor for viscous fluids with multiple radial; discharge |
Walter Schnaus, Franz Schoenmeier, Stephan R. Biller |
1996-03-19 |