Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250483 | Inhibition of catalytically active impurities in polycarbonate by the melt transesterification process | Helmut-Werner Heuer, Melanie Mothrath, Peter Snobl, Thomas Pfingst, Marc Buts +1 more | 2007-07-31 |
| 6767986 | Production and use of high molecular weight aliphatic polycarbonates | Melanie Moethrath, Hans Deml, Wolfgang Ebert | 2004-07-27 |
| 6753405 | Preparation of copolycarbonates | Silke Kratschmer, Hans Deml | 2004-06-22 |
| 6740730 | Polycarbonate and molded polycarbonate articles | Silke Kratschmer, Uwe Hucks | 2004-05-25 |
| 6734278 | Production of polyester carbonates | Silke Kratschmer, Wolfgang Alewelt, Friedrich-Karl Bruder, Wilfried Haese, Rolf Wehrmann +2 more | 2004-05-11 |
| 6710153 | Method for producing phosphonium phenolates | Uwe Hucks, Annett Konig, Silke Kratschmer | 2004-03-23 |
| 6646099 | Production and use of polyester carbonates | Silke Kratschmer, Wolfgang Alewelt, Renate Wilms | 2003-11-11 |
| 6596840 | Method for producing modified polycarbonates | Silke Kratschmer, Uwe Hucks | 2003-07-22 |
| 6476273 | Method for producing phosphonium phenolates | Annett Konig, Uwe Hucks | 2002-11-05 |
| 6307006 | Method for producing branched polycarbonates | Annett Konig, Uwe Hucks | 2001-10-23 |