Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8778476 | High speed DVDs | Friedrich-Karl Bruder, Rafael Oser, Wolfgang Fischer, Michael Ludewig, Raymond Wong +1 more | 2014-07-15 |
| 8709571 | Disc shaped high density recording medium | Friedrich-Karl Bruder, Rafael Oser, Rainer Protte, Alexander Meyer, Karlheinz Hildenbrand +2 more | 2014-04-29 |
| 8436128 | Substrate material for high speed optical discs | Friedrich-Karl Bruder, Rafael Oser, Ulrich Blaschke, Raymond Wong, Ice Zhang +2 more | 2013-05-07 |
| 7993721 | Disc-shaped high-density recording mediums | Friedrich-Karl Bruder, Rafael Oser, Jan Wiekard, Wolfgang Fischer, Rainer Protte +2 more | 2011-08-09 |
| 7814626 | Process for the preparation of polycarbonate by the melt transesterification process | Pete Fischer, Alexander Meyer | 2010-10-19 |
| 7799889 | Polycarbonates with good wettability | Alexander Meyer, Helmut Einberger, Wolfgang Ebert, Michael Prein, Uli Franz +1 more | 2010-09-21 |
| 7705107 | Process for the preparation of polycarbonates | Hermann Kauth, Wolfgang Ebert, Helmut Einberger, Alexander Meyer, Andreas Frankenau +4 more | 2010-04-27 |
| 7701634 | Light-guiding surface structure | Günther Walze, Gunther Stollwerck | 2010-04-20 |
| 7589165 | Polycarbonates having a good wettability | Alexander Meyer, Stephan Konrad, Claus-Ludolf Schultz | 2009-09-15 |
| 7041354 | Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2006-05-09 |
| 6950587 | Optical fibers | Heinz-Dieter Brandt, Hans-Josef Behrens, Thomas Follinger, Wolfgang Ebert | 2005-09-27 |
| 6936325 | Optical recording medium | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +11 more | 2005-08-30 |
| 6907174 | Optical fiber | Heinz-Dieter Brandt, Hans-Josef Behrens, Thomas Follinger, Wolfgang Ebert | 2005-06-14 |
| 6899939 | Polymer mixtures | James D. Mason | 2005-05-31 |
| 6896945 | Optical data carrier comprising a phthalocyanine dye as light-absorbent compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +4 more | 2005-05-24 |
| 6855390 | Optical data carriers and method for producing the same | Friedrich-Karl Bruder, Thomas Bieringer, Steffen Kuhling, Franky Bruynseels, Dirk Van Meirvenne +1 more | 2005-02-15 |
| 6835725 | Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2004-12-28 |
| 6833193 | Polycarbonate molded bodies with improved optical properties | Siegfried Anders, Jurgen Rohner | 2004-12-21 |
| 6825257 | Polymer blends with mould-release agents | Burkhard Reitze, Raimund Zimmermann | 2004-11-30 |
| 6737142 | Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2004-05-18 |
| 6734278 | Production of polyester carbonates | Silke Kratschmer, Wolfgang Alewelt, Friedrich-Karl Bruder, Rolf Wehrmann, Peter Fischer +2 more | 2004-05-11 |
| 6726972 | Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2004-04-27 |
| 6706797 | Polycarbonate molding compounds with good demolding properties and molded bodied and semifinished products produced from the same | Wolfgang Ebert, Ralf Kaufmann, Christoph Schwemler, Peter Fischer, Martin Döbler +1 more | 2004-03-16 |
| 6641889 | Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2003-11-04 |
| 6395864 | Polycarbonates with a low yellowness index | Steffen Kuhling, Rolf Lanze, Michael Prein, Rainer Neumann, Hermann Kauth +3 more | 2002-05-28 |