Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359042 | Polycarbonate moulding compounds and their use as layers in coextruded sheets | Siegfried Anders, Wolfgang Nising, Wilfried Haese | 2002-03-19 |
| 5856012 | Process for the production of multilayer plastic sheets | Steffen Kuhling, Siegfried Anders, Jurgen Kirsch, Werner Verhoeven | 1999-01-05 |
| 5852138 | Stabilizer mixtures and their use in polycarbonates | Helmut-Martin Meier, Wolfgang Ebert, Wilfried Haese | 1998-12-22 |
| 5846659 | UV-protected, multilayer polycarbonate sheets | Siegfried Anders, Helmut Schmid, Wolfgang Nising | 1998-12-08 |
| 5726228 | Use of carbonates as demoulding agents for thermoplastic polycarbonates | Ralf Kaufmann, Wolfgang Ebert, Jurgen Kadelka, Claus Wulff, Gottfried Zaby | 1998-03-10 |
| 4732949 | Polydiorganosiloxane/polycarbonate block copolymers | Winfried Paul, Werner Nouvertne, Mark W. Witman, Ulrich Grigo | 1988-03-22 |
| 4600632 | UV-stabilized polycarbonate mouldings | Winfried Paul, Peter Muller, Mark W. Witman, Siegfried Storp | 1986-07-15 |
| 4588807 | Benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters, their preparation and their use for the UV stabilization of thermoplastics | Thomas Scholl, Reinhard Preuss, Burkhard Lachmann, Peter Muller | 1986-05-13 |