Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670405 | Method for producing block-shaped polymethacrylimide foamed materials | Sabine Servaty, Werner Geyer, Norbert Rau | 2003-12-30 |
| 5882560 | Method for producing high filler content plastic molded articles which resemble granite | Gunther Ittmann | 1999-03-16 |
| 5756211 | Method of manufacturing high filler content plastics having a glitter appearance | Guenther Ittmann | 1998-05-26 |
| 5700894 | Transparent plastic pane containing a copolymer of methylmethacrylate and polyfunctional acrylates | Christa WEBER, Peter R. Szigeti | 1997-12-23 |
| 5698605 | Flame-resistant polymethacrylimide foams | Werner Geyer, Wolfgang Pip | 1997-12-16 |
| 5690872 | Method for the production of highly filled polymethyl methacrylate based plastics | Guenther Ittmann | 1997-11-25 |
| 5464898 | Suspensions for producing filled cast resins | Guenther Ittmann | 1995-11-07 |
| 5449727 | Acrylate resins as binders for color concentrates | Hans Lichtenstein, Ludwig Hosch, Guenther Ittmann | 1995-09-12 |
| 5387634 | Tinted plexiglass with organic pigments | Hans Lichtenstein, Silvia Ebert | 1995-02-07 |
| 5324802 | Method for bulk polymerizing methyl methacrylate | — | 1994-06-28 |
| 5266253 | Method of manufacturing molded polymer articles containing highly filled casting resins and having color differentiated surface regions | Okko K. Dijkhuizen, Guenther Ittmann | 1993-11-30 |
| 5057370 | Electrically conducting solid plastics | Armin Meyer, Winfried Wunderlich, Rainer Friederich | 1991-10-15 |
| 4996109 | Hard foam cores for laminates | Norbert Rau, Werner Ude | 1991-02-26 |
| 4957987 | Acrylate resins as binders for color concentrates | Hans Lichtenstein, Ludwig Hosch, Guenther Ittmann | 1990-09-18 |
| 4937015 | Method of manufacturing electrically conductive pressure-formed plates comprised of plastic material | Armin Meyer, Winfried Wunderlich, Rainer Friederich | 1990-06-26 |
| 4826901 | Curable casting resins | Guenther Ittmann | 1989-05-02 |
| 4786660 | Method for making curable casting resins | Guenther Ittmann | 1988-11-22 |
| 4778636 | Method of manufacturing electrically conductive pressure-formed plates comprised of plastic material | Armin Meyer, Winfried Wunderlich, Rainer Friederich | 1988-10-18 |
| 4773913 | Acrylate resins as binders for color concentrates | Hans Lichtenstein, Ludwig Hosch, Guenther Ittmann | 1988-09-27 |
| 4241203 | Acrylonitrile copolymers having low residual monomer content and methods for their preparation | Franz Wenzel, Heinz-Dieter Bruemmer | 1980-12-23 |