Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475053 | Molding composition having a matt surface | Norbert Niessner, Friedrich Seitz, Wolfgang Fischer, Norbert Guentherberg, Rainer Moors +1 more | 1995-12-12 |
| 5344877 | Molding material from a particulate graft polymer | Wolfgang Fischer, Norbert Guentherberg, Norbert Niessner, Friedrich Seitz | 1994-09-06 |
| 5342898 | Particulate graft polymer, and thermoplastic molding material produced therefrom having improved toughness | Friedrich Seitz, Norbert Guentherberg, Norbert Niessner | 1994-08-30 |
| 5336718 | Impact modifier and molding material containing it | Norbert Niessner, Wolfgang Fischer, Norbert Guentherberg, Friedrich Seitz | 1994-08-09 |
| 5276256 | Flameproofed chlorine-and bromine-free molding composition | Norbert Niessner, Rainer Neumann, Friedrich Seitz, Doris Zeltner | 1994-01-04 |
| 5252666 | Particulate graft polymer with improved adhesion between grafting base and graft sheath | Friedrich Seitz, Josef Schwaab | 1993-10-12 |
| 5219907 | Flameproofed molding composition | Norbert Niessner, Rainer Neumann, Friedrich Seitz, Doris Zeltner | 1993-06-15 |
| 5196480 | Thermoplastic molding material based on graft copolymers with bimodal particle size distribution and a two-step graft shell | Friedrich Seitz, Juergen Vietmeier | 1993-03-23 |
| 5162423 | Thermoplastic molding materials having good low-temperature impact strength | Rainer Neumann, Ehrenfried Baumgartner, Klaus Benker | 1992-11-10 |
| 5120788 | Hermoplastic molding material of improved toughness | Friedrich Seitz | 1992-06-09 |
| 4939201 | Glass fiber reinforced thermoplastic molding compositions based on polyesters and graft polymers | Erhard Seiler, Manfred Knoll, Walter Heckmann, Dietrich Lausberg, Rainer Bueschl | 1990-07-03 |
| 4880875 | Thermoplastic molding material based on polycarbonate, ASA and vinylaromatics/an-containing copolymers | Georg Wassmuth, Erhard Seiler, Hermann Gausepohl, Klaus Benker | 1989-11-14 |
| 4868235 | Thermoplastic molding materials | Klaus Muehlbach, Michael Portugall, Erhard Seiler, Hermann Brandt | 1989-09-19 |