Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973652 | Process for the production of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with p containing catalyst and mixture of hydrocarbons | Wolfgang Ebert, Rolf-Volker Meyer, Rolf Dhein | 1990-11-27 |
| 4946927 | Preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with organic phase comprising mixture of hydrocarbons | Wolfgang Ebert, Rolf-Volker Meyer, Rolf Dhein | 1990-08-07 |
| 4627949 | Process for the preparation of shaped articles of stabilized polycarbonate by the devolatilizing injection-moulding or devolatilizing extrusion process | Rolf Dhein, Helmut-Martin Meier, Hans-Jurgen Meissner, Klaus Kircher | 1986-12-09 |
| 4389344 | Process for separating solid 1,5- and/or 1,8-dinitroanthraquinone and liquid nitrobenzene | Axel Schaefer, Werner Motika, Wolfgang Bender, Jorn Todt | 1983-06-21 |