Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211269 | Glass-fiber-reinforced thermoplastic ABS compositions | Alfred Pischtschan, Herbert Eichenauer | 2001-04-03 |
| 5552465 | Polycarbonate molding compounds stable to light ageing | Dieter Witmann, Jochen Schoeps, Bernd Urbanneck, Karl C. Huff, Karl-Heinz Ott | 1996-09-03 |
| 5240978 | Thermoplastic polycarbonate moulding compositions with flame-resistant properties | Karl Fuhr, Friedemann Muller, Karl-Heinz Ott, Jochen Schoeps, Werner Ballas | 1993-08-31 |
| 5223572 | Impact resistant thermoplastic moulding compounds of aromatic polyester carbonates and polyalkylene terephthalates | Thomas Eckel, Dieter Wittmann, Jochen Schoeps, Karl-Heinz Ott | 1993-06-29 |
| 5137953 | Flame-resistant thermoplastic polycarbonate molding compounds | Karl Fuhr, Friedemann Muller, Karl-Heinz Ott, Jochen Schoeps, Werner Ballas | 1992-08-11 |
| 5061745 | Flame-retardant, high-impact polycarbonate molding compounds | Dieter Wittmann, Jochen Schoeps, Hans-Jurgen Kress, Josef Buekers, Karl-Heinz Ott | 1991-10-29 |
| 5047480 | Thermoplastic molding compositions | Edgar Leitz, Ulrich Jansen, Hans-Jurgen Kress, Jochen Schoeps, Leo Morbitzer | 1991-09-10 |
| 5030675 | Flame-resistant thermoplastic moulding compounds based on polycarbonate, polyalkylene terephthalate, graft copolymer, fluorinated polyolefine and phosphorus compound | Dieter Wittmann, Hans-Jurgen Kress, Josef Buekers, Christian Lindner | 1991-07-09 |
| 5010135 | Moulding compounds of aromatic polyesters, vinyl copolymers and grafted silicone rubber | Thomas Eckel, Edgar Leitz, Dieter Wittmann, Karl-Heinz Ott, Jochen Schoeps | 1991-04-23 |
| 4987184 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Christian Lindner, Volker Damrath, Hans-Jurgen Kress, Jochen Schoeps | 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, Jochen Schoeps, Karl-Heinz Ott | 1991-01-15 |
| 4983658 | Thermoplastic moulding compositions with flame-repellent properties | Hans-Jurgen Kress, Heremann Kauth, Christian Lindner, Friedemann Muller | 1991-01-08 |
| 4963619 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Christian Lindner, Volker Damrath, Hans-Jurgen Kress, Jochen Schoeps | 1990-10-16 |
| 4948837 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Christian Lindner, Volker Damrath, Hans-Jurgen Kress, Jochen Schoeps | 1990-08-14 |
| 4925891 | High impact strength flame-retardant polycarbonate moulding compositions | Hans-Jurgen Kress, Christian Lindner, Friedemann Muller, Dieter Wittmann, Josef Buekers | 1990-05-15 |
| 4908422 | Thermoplastic molding compounds containing aliphatic polycarbonates | Edgar Leitz, Herbert Eichenauer, Karl-Heinz Ott, Thomas Eckel, Jochen Schoeps | 1990-03-13 |
| 4900785 | Thermoplastic molding compounds containing special copolymers | Edgar Leitz, Herbert Eichenauer, Karl-Heinz Ott, Jochen Schoeps | 1990-02-13 |
| 4895898 | Thermoplastic moulding materials of improved processability | Hans-Jurgen Kress, Herbert Eichenauer, Jochen Schoeps, Karl-Heinz Ott | 1990-01-23 |
| 4882381 | Moulding compounds of aromatic polyesters and grafted silicone rubber | Dieter Wittmann, Hans-Jurgen Kress, Ludwig Bottenbruch, Edgar Leitz | 1989-11-21 |
| 4879342 | Thermoplastic polycarbonate moulding compositions | Hans-Jurgen Kress, Winfried Paul, Christian Lindner, Josef Buekers | 1989-11-07 |
| 4861829 | Thermoplastic polycarbonate moulding materials | Hans-Jurgen Kress, Winfried Paul, Christian Lindner, Josef Buekers | 1989-08-29 |
| 4826918 | Polycarbonate moulding composition with improved flow and processiblity | Hans-Jurgen Kress, Dieter Wittmann, Bernd Quiring, Jochen Schoeps | 1989-05-02 |
| 4812515 | Ageing-resistant thermoplastic moulding materials of good impact strength | Hans-Jurgen Kress, Christian Lindner, Wolfgang Grape, Jochen Schoeps, Dieter Wittmann | 1989-03-14 |
| 4810739 | Moulding compositions having flame-resistant properties | Christian Lindner, Josef Buekers, Bernd Urbanneck | 1989-03-07 |
| 4806593 | Thermoplastic moulding materials having good resistance to ageing and good low-temperature impact strength | Hans-Jurgen Kress, Christian Lindner, Wolfgang Grape, Jochen Schoeps, Dieter Wittmann | 1989-02-21 |