Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552465 | Polycarbonate molding compounds stable to light ageing | Dieter Witmann, Bernd Urbanneck, Karl C. Huff, Karl-Heinz Ott, Horst Peters | 1996-09-03 |
| 5484846 | Powder mixtures for matt polycarbonate molding compounds | Dieter Wittman, Horst Beicher, Karl-Erwin Piejko, Kurt Weirauch | 1996-01-16 |
| 5393835 | Polycarbonate/ABS molding compounds | Thomas Eckel, Dieter Wittmann, Gerhard Fennhoff, Karl-Heinz Ott, Wolfgang Jakob | 1995-02-28 |
| 5240978 | Thermoplastic polycarbonate moulding compositions with flame-resistant properties | Karl Fuhr, Friedemann Muller, Karl-Heinz Ott, Horst Peters, Werner Ballas | 1993-08-31 |
| 5223572 | Impact resistant thermoplastic moulding compounds of aromatic polyester carbonates and polyalkylene terephthalates | Thomas Eckel, Dieter Wittmann, Horst Peters, Karl-Heinz Ott | 1993-06-29 |
| 5177145 | Gasoline-resistant thermoplastic molding compounds | Ralf Dujardin, Martin Wandel | 1993-01-05 |
| 5137953 | Flame-resistant thermoplastic polycarbonate molding compounds | Karl Fuhr, Friedemann Muller, Karl-Heinz Ott, Horst Peters, Werner Ballas | 1992-08-11 |
| 5061745 | Flame-retardant, high-impact polycarbonate molding compounds | Dieter Wittmann, Horst Peters, Hans-Jurgen Kress, Josef Buekers, Karl-Heinz Ott | 1991-10-29 |
| 5047480 | Thermoplastic molding compositions | Edgar Leitz, Ulrich Jansen, Hans-Jurgen Kress, Horst Peters, Leo Morbitzer | 1991-09-10 |
| 5010135 | Moulding compounds of aromatic polyesters, vinyl copolymers and grafted silicone rubber | Thomas Eckel, Edgar Leitz, Dieter Wittmann, Karl-Heinz Ott, Horst Peters | 1991-04-23 |
| 4987184 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Christian Lindner, Volker Damrath, Hans-Jurgen Kress, Horst Peters | 1991-01-22 |
| 4985493 | Thermoplastic moulding compounds with low temperature toughness obtained from aromatic polyester carbonates and special graft polymers | Thomas Eckel, Dieter Wittmann, Edgar Leitz, Karl-Heinz Ott, Horst Peters | 1991-01-15 |
| 4963619 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Christian Lindner, Volker Damrath, Hans-Jurgen Kress, Horst Peters | 1990-10-16 |
| 4948837 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Christian Lindner, Volker Damrath, Hans-Jurgen Kress, Horst Peters | 1990-08-14 |
| 4937285 | Use of redox graft polymers to improve the petroleum-resistance of thermoplastic, aromatic polycarbonate and/or polyester carbonate moulding compositions | Dieter Wittmann, Christian Lindner, Hans-Jurgen Kress | 1990-06-26 |
| 4908422 | Thermoplastic molding compounds containing aliphatic polycarbonates | Edgar Leitz, Herbert Eichenauer, Karl-Heinz Ott, Thomas Eckel, Horst Peters | 1990-03-13 |
| 4900785 | Thermoplastic molding compounds containing special copolymers | Edgar Leitz, Herbert Eichenauer, Karl-Heinz Ott, Horst Peters | 1990-02-13 |
| 4895898 | Thermoplastic moulding materials of improved processability | Hans-Jurgen Kress, Herbert Eichenauer, Horst Peters, Karl-Heinz Ott | 1990-01-23 |
| 4826918 | Polycarbonate moulding composition with improved flow and processiblity | Hans-Jurgen Kress, Dieter Wittmann, Bernd Quiring, Horst Peters | 1989-05-02 |
| 4812515 | Ageing-resistant thermoplastic moulding materials of good impact strength | Hans-Jurgen Kress, Christian Lindner, Wolfgang Grape, Horst Peters, Dieter Wittmann | 1989-03-14 |
| 4806593 | Thermoplastic moulding materials having good resistance to ageing and good low-temperature impact strength | Hans-Jurgen Kress, Christian Lindner, Wolfgang Grape, Horst Peters, Dieter Wittmann | 1989-02-21 |
| 4804708 | Thermoplastic moulding compounds based on special graft polymers | Dieter Wittmann, Christian Lindner, Hans-Jurgen Kress, Horst Peters | 1989-02-14 |
| 4774289 | Thermoplastic moulding compositions of polycarbonate and terpolymers | Hans-Jurgen Kress, Christian Lindner, Leo Morbitzer, Horst Peters, Edgar Leitz | 1988-09-27 |
| 4746701 | Thermoplastics moulding compositions based on polysiloxane/polycarbonate block copolymers | Hans-Jurgen Kress, Winfried Paul, Horst Peters, Karl-Heinz Ott | 1988-05-24 |
| 4683265 | Thermoplastic moulding compositions consisting of polycarbonates, graft polymers and copolymers | Hans-Jurgen Kress, Christian Lindner, Leo Morbitzer, Horst Peters, Karl-Heinz Ott | 1987-07-28 |