Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590064 | Use of heterogeneous catalysts in methods for the production of polyamides | Ralf Mohrschladt | 2003-07-08 |
| 6569988 | Method for the production of polyamides | Ralf Mohrschladt, Dieter Krauss, Martin Leemann | 2003-05-27 |
| 6548626 | Method for preparing polyamides from lactams and polyamide extracts | Ralf Mohrschladt, Alfons Ludwig | 2003-04-15 |
| 6531570 | Accelerator for the production of polyamides from aminonitriles | Ralf Mohrschladt | 2003-03-11 |
| 6525167 | Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate | Ralf Mohrschladt, Motonori Yamamoto | 2003-02-25 |
| 6482917 | Method for producing powder-shaped cross-linked polymerizates | Reinhold Dieing, Katrin Zeitz | 2002-11-19 |
| 6362307 | Method for producing polyamides from amino carboxylic acid compounds | Ralf Mohrschladt | 2002-03-26 |
| 6358373 | Production of polyamides by reactive distillation | Martin Leemann, Heino Thiele, Stefan Espig | 2002-03-19 |
| 6355737 | Method for producing polymer mixtures comprised of amino nitriles and thermoplastic polymers | Ralf Mohrschladt, Martin Weber | 2002-03-12 |
| 6353085 | Method for producing polyamides | Ralf Mohrschladt, Gunter Pipper, Eberhard Fuchs | 2002-03-05 |
| 6326460 | Method for extracting polyamide particles | Ralf Mohrschladt, Volker Warzelhan | 2001-12-04 |
| 6316588 | Continuous preparation of polyamides from aminonitriles | Ralf Mohrschladt, Eberhard Fuchs | 2001-11-13 |
| 6310173 | Batch process for producing polyamides from aminonitriles | Ralf Mohrschladt | 2001-10-30 |
| 6288207 | Continuous method for producing polyamides from aminonitriles | Ralf Mohrschladt, Dieter Krauss | 2001-09-11 |
| 6191215 | Process for the preparation of pulverulent polymers by polymerization in supercritical carbon dioxide in the presence of polyoxyalkylene-polysiloxane copolymers | Eric Beckham, Ralf Fink | 2001-02-20 |
| 6075089 | Process for producing dispersions of water-soluble vinyl polymers and stabilizer for carrying out the process | Werner Jaeger, Arvid Zimmermann, Mathias Hahn, Karl-Heinz Reichert | 2000-06-13 |