Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435507 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Thomas Koenig, Joerg Kirchhoff, Michael Bierdel, Klemens Kohlgrueber, Johann Rechner +3 more | 2019-10-08 |
| 9828464 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Thomas König, Jörg Kirchhoff, Michael Bierdel, Klemens Kohlgrüber, Johann Rechner +3 more | 2017-11-28 |
| 8202961 | Alkylphenol for adjusting the molecular weight, and polycarbonate compositions having improved properties | Rolf Wehrmann, Helmut-Werner Heuer | 2012-06-19 |
| 7901467 | Process for treatment of metal surfaces | Wolfgang Ebert, Rainer Mellis, Alexander Meyer, Alexander Karbach, Delef Michalski-Vollmer | 2011-03-08 |
| 7847051 | Phase boundary processes for preparing polycarbonates | Wolfgang Ebert, Christian Kords, Rolf Bachmann, Lars Obendorf, Johan Vanden Eynde +1 more | 2010-12-07 |
| 7705107 | Process for the preparation of polycarbonates | Hermann Kauth, Wolfgang Ebert, Wilfried Haese, Helmut Einberger, Alexander Meyer +4 more | 2010-04-27 |