Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734278 | Production of polyester carbonates | Silke Kratschmer, Wolfgang Alewelt, Wilfried Haese, 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, Wilfried Haese, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2004-04-27 |
| 6713146 | Optical data stores containing a Co-phthalocyanine complex in the information layer recordable using light | Josef-Walter Stawitz, Horst Berneth, Thomas Bieringer, Rainer Hagen, Karin Hassenruck +2 more | 2004-03-30 |
| 6649723 | Vinylcyclohexane-based polymers | Volker Wege, Konstadinos Douzinas, Yun Chen | 2003-11-18 |
| 6641889 | Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer | Horst Berneth, Wilfried Haese, Rainer Hagen, Karin Hassenruck, Serguei Kostromine +5 more | 2003-11-04 |
| 6577657 | Plastic substrate for solid-state laser | Andreas Elschner, Rolf Wehrmann, Rainer F. Mahrt, Ullrich Scherf | 2003-06-10 |
| 6566486 | Method of producing branched polyamides | Detlev Joachimi, Hans-Jürgen Dietrich, Heinrich Morhenn, Cliff Scherer, Andreas Gittinger | 2003-05-20 |
| 6498217 | Branching of polyamides with esters of carbonic acid | Miroslav Marek, Konstadinos Douzinas | 2002-12-24 |
| 6492468 | Vinylcyclohexane-based block copolymers | Yun Chen, Volker Wege, Konstadinos Douzinas, Ralf Dujardin | 2002-12-10 |
| 6365694 | Amorphous vinyl cyclohexane polymers | Volker Wege, Ralf Dujardin, Yun Chen, Johann Rechner | 2002-04-02 |
| 6218502 | Copolycarbonates with an indane bisphenol base | Stefan Westernacher, Annett Konig, Jurgen Stebani, Wilfried Haese | 2001-04-17 |
| 6001535 | Monomers with cyclic carbonate groups | Wolfgang Podszun, Ludger Heiliger, Michael Muller, Carl Casser | 1999-12-14 |
| 5990246 | Transparent materials consisting of hydrogenated products of ring-opened metathetical polymers with polar substituents | Yun Chen, Ralf Dujardin, Johann Rechner | 1999-11-23 |
| 5545710 | Use of special polycarbonates for the production of optical articles | Wilfried Haese, Ralf Pakull, J urgen Kirsch, Hartmut L ower | 1996-08-13 |