Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180778 | Thermoplastic molding materials based on polyphenylene ethers and polyesters | Erhard Seiler, Klaus Boehlke, Dietrich Lausberg | 1993-01-19 |
| 5053458 | Thermoplastic molding materials | Erhard Seiler, Klaus Boehlke, Klaus Bronstert, Daniel Wagner | 1991-10-01 |
| 5021508 | Thermoplastic molding materials consisting of polyesters and polycarbonates and having a good low-temperature impact strength | Hans-Henning Hub, Walter Ziegler, Juergen Sadlowski | 1991-06-04 |
| 5019626 | Thermoplastic molding materials based on polyphenylene ethers and nylons | Hermann Gausepohl, Erhard Seiler, Klaus Boehlke, Walter Heckmann | 1991-05-28 |
| 5008398 | Preparation of p-nitrophenyl-imidazoles | Hermann Koehler, Klaus Ebel, Helmut Karn | 1991-04-16 |
| 4990564 | Thermoplastic molding materials | Horst Reimann, Klaus Boehlke, Hermann Gausepohl, Christoph Plachetta | 1991-02-05 |
| 4965318 | Thermoplastic molding materials based on nylons and styrene copolymers | Erhard Seiler, Juergen Hambrecht, Konrad Mitulla, Horst Reimann | 1990-10-23 |
| 4962157 | Thermoplastics molding materials based on polyphenylene ethers and polyesters | Erhard Seiler, Klaus Boehlke, Dietrich Lausberg | 1990-10-09 |
| 4959415 | Thermoplastic molding materials based on polyphenylene ethers, nylons and styrene copolymers | Erhard Seiler, Juergen Hambrecht, Konrad Mitulla, Klaus Boehlke | 1990-09-25 |
| 4957965 | Thermoplastic molding materials | Klaus Muehlbach, Hermann Brandt, Klaus Boehlke | 1990-09-18 |
| 4943399 | Continuous preparation of molding materials based on polyphenylene ethers and nylons | Hermann Gausepohl, Erhard Seiler, Klaus Boehlke, Lothar Schlemmer | 1990-07-24 |
| 4889756 | Sheet-like, multilayer, laser-optical recording material | Helmut Barzynski, Heidi Benthack-Thomas, Karl Hellwig | 1989-12-26 |
| 4866114 | Self-extinguishing, thermoplastic polyphenylene ether/polyamide molding materials and their use for the production of moldings | Hermann Gausepohl, Klaus Boehlke | 1989-09-12 |
| 4797453 | Graft polymers of polyphenylene ethers | Hermann Gausepohl, Erhard Seiler, Lothar Schlemmer | 1989-01-10 |
| 4791158 | Thermoplastic molding materials containing a polyester and a polycarbonate | Dietrich Lausberg, Graham E. McKee, Georg Wassmuth, Manfred Knoll | 1988-12-13 |
| 4780509 | Preparation of impact-resistant thermoplastic molding | Erhard Seiler, Lothar Schlemmer | 1988-10-25 |
| 4774286 | Thermoplastic molding materials based on polycarbonates and polyesters | Hans-Henning Hub, Konrad Mitulla, Manfred Knoll | 1988-09-27 |
| 4764556 | Thermoplastic molding materials of polyester and polycarbonate | Dietrich Lausberg, Manfred Knoll | 1988-08-16 |
| 4751268 | Modified carboxyl-containing polyphenylene ether resins | Erhard Seiler, Lothar Schlemmer | 1988-06-14 |
| 4618633 | Halogen-free self-extinguishing thermoplastic molding material | Volker Muench, Juergen Hambrecht, Adolf Echte, Karl H. Illers | 1986-10-21 |
| 4493807 | Process for producing sheet-like structures from vinyl alcohol polymers | Rudolf Vyvial, Lothar Schlemmer, Gerhard Bleckmann, Manfred Zuerger, Heinrich Krieger +1 more | 1985-01-15 |