Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7129315 | Process for the production of polycarbonate | Jörg Kirchhoff, Thomas König, Klemens Kohlgrüber, Dirk Meirvenne | 2006-10-31 |
| 7091302 | Process for the preparation of polycarbonate | Jörg Kirchhoff, Thomas König, Klemens Kohlgrüber, Melanie Mothrath, Dirk Meirvenne | 2006-08-15 |
| 6855390 | Optical data carriers and method for producing the same | Wilfried Haese, Friedrich-Karl Bruder, Thomas Bieringer, Franky Bruynseels, Dirk Van Meirvenne +1 more | 2005-02-15 |
| 6855794 | Polycarbonate substrates | Michael Bödiger, Franky Bruynseels, Dirk Van Meirvenne, René de Cleyn | 2005-02-15 |
| 6835798 | Method of producing polycarbonates | Michael Bödiger, Franky Bruynseels, Dirk Van Meirvenne, René de Cleyn | 2004-12-28 |
| 6815524 | Polycarbonate substrates | Michael Bödiger, Franky Bruynseels, Dirk Van Meirvenne, René de Cleyn | 2004-11-09 |
| 6720406 | High-purity polymer granules and method for the production thereof | Thomas Elsner, Jürgen Heuser, Christian Kords, Paul Viroux | 2004-04-13 |
| 6710154 | Polycarbonate substrates | Tony van Osselaer, Paul Viroux, Hugo Plompen, Richard Vansant | 2004-03-23 |
| 6703473 | Process for producing polycarbonate | Uwe Hucks, Kaspar Hallenberger, Silke Kratschmer, Michael Prein | 2004-03-09 |
| 6696542 | Polycarbonate substrates | Michael Bödiger, Franky Bruynseels, Dirk Van Meirvenne, René de Cleyn | 2004-02-24 |
| 6689464 | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method | Rolf Lanze, Alfred Eitel, Rainer Neumann, Frieder Heydenreich, Tony van Osselaer +2 more | 2004-02-10 |
| 6682794 | Polycarbonate containers | Klaus Horn, Ralf Hufen, Rolf Lanze, Michael Prein, Rainer Neumann +3 more | 2004-01-27 |
| 6680400 | Continuous process for the production of carboxylic acid diaryl esters | Wolfgang Alewelt, Johan Vanden Eynde, Dirk Van Meirvenne | 2004-01-20 |
| 6646101 | Use of copolycarbonates | Silke Kratschmer, Klaus Horn, Annett Konig, Rolf Wehrmann | 2003-11-11 |
| 6586556 | Use of copolycarbonates | Silke Kratschmer, Klaus Horn, Annett Konig, Rolf Wehrmann | 2003-07-01 |
| 6548691 | Process for producing carbonic acid diaryl ester | Wolfgang Alewelt | 2003-04-15 |
| 6531623 | Continuous process for producing carbonic acid diaryl ester | Andreas Chrisochoou, Johan Vanden Eynde | 2003-03-11 |
| 6414198 | Method for producing bisphenol-A | Rolf Lanze, Rainer Neumann, Frieder Heydenreich, Tony van Osselaer | 2002-07-02 |
| 6395864 | Polycarbonates with a low yellowness index | Rolf Lanze, Michael Prein, Rainer Neumann, Hermann Kauth, Christian Kords +3 more | 2002-05-28 |
| 6384288 | Method for the production of bis(4-hydroxyaryl)alkanes | Rolf Lanze, Rainer Neumann, Frieder Heydenreich, Tony van Osselaer | 2002-05-07 |
| 6316678 | Method for producing dis(4-hydroxyaryl) alkanes | Rolf Lanze, Rainer Neumann, Frieder Heydenreich, Tony van Osselaer, Gerhard Fennhoff | 2001-11-13 |
| 5900501 | Process for the continuous production of aryl carbonates | Pieter Ooms, Hans-Josef Buysch, Gottfried Zaby | 1999-05-04 |
| 5856012 | Process for the production of multilayer plastic sheets | Hartmut Lower, Siegfried Anders, Jurgen Kirsch, Werner Verhoeven | 1999-01-05 |
| 5831111 | Process for the continuous production of aryl carbonates | Pieter Ooms, Eric Bischof, Hans-Josef Buysch, Gottfried Zaby, Wolfgang Jakob +2 more | 1998-11-03 |
| 5830977 | Process for the isolation of partially crystalline polycarbonate powder | Claus Wulff, Gottfried Zaby, Clemens Casper, Klemens Kohlgrüber, Hugo Obermann | 1998-11-03 |