Issued Patents All Time
Showing 25 most recent of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197872 | Thin wall panels | Graham E. McKee, Alfred Pirker, Hans-Josef Sterzel, Franz Brandstetter, Bernd-Steffen von Bernstorff +3 more | 2001-03-06 |
| 6103821 | Crosslinking agents for emulsion polymers | Michael Fischer, Gerhard Lindenschmidt, Graham Edmund Mc Kee, Bernhard Rosenau | 2000-08-15 |
| 6103813 | Covering grid plates for ventilation openings | Graham Edmund Mc Kee, Alfred Pirker, Hans-Josef Sterzel, Franz Brandstetter, Bernd-Steffen von Bernstorff +3 more | 2000-08-15 |
| 6063854 | Moldings for sanitary and bathroom fittings | Graham Edmund Mc Kee, Alfred Pirker, Hans-Josef Sterzel, Franz Brandstetter, Bernd-Steffen von Bernstorff +3 more | 2000-05-16 |
| 6063868 | Housings for security devices | Graham E. McKee, Alfred Pirker, Hans-Josef Sterzel, Franz Brandstetter, Bernd-Steffen von Bernstorff +3 more | 2000-05-16 |
| 5530087 | Polyanils | Rudolf Gompper, Thomas Mueller | 1996-06-25 |
| 5174867 | Preparation of electrically conductive, finely divided pyrrole polymers | Walter Heckmann, Gernot Koehler, Petr Simak | 1992-12-29 |
| 4927578 | Method for producing uncrosslinked polyacetylene film | Nicolas Theophilou | 1990-05-22 |
| 4925897 | Modified polyacetylene | Gernot Koehler | 1990-05-15 |
| 4870147 | Process for producing highly conductive polyacetylene film | Nicolas Theophilou | 1989-09-26 |
| 4866129 | Impact resistant thermoplastic molding materials | Franz Brandstetter, Adolf Echte, Franz Haaf | 1989-09-12 |
| 4788562 | Optical recording medium | Helmut Barzynski | 1988-11-29 |
| 4780246 | Composites of conductive polymers and inorganic binders | — | 1988-10-25 |
| 4749451 | Electrochemical coating of carbon fibers | — | 1988-06-07 |
| 4738757 | Coating carbon fibers | — | 1988-04-19 |
| 4724062 | Electrochemical coating of carbon fibers | Franz Haaf, Gerhard Fahrbach | 1988-02-09 |
| 4696996 | Preparation of polyphenylene ethers, and an apparatus for this purpose | Hermann Brandt, Hermann Fischer, Hermann Dreher, Eduard Heil, Juergen Hambrecht +6 more | 1987-09-29 |
| 4665129 | Electrically conductive thermoplastic mixtures of macromolecular compounds and finely divided pyrrole polymers | Burghard Schmitt, Helmut Barzynski | 1987-05-12 |
| 4640749 | Electrically conductive pyrrole copolymers and their preparation | Gernot Koehler, Johannes Schlag | 1987-02-03 |
| 4618636 | Flameproofed thermoplastic molding material comprising a novolak resin | Volker Muench, Juergen Hambrecht, Adolf Echte, Karl H. Illers | 1986-10-21 |
| 4607083 | Long-term stability of the electrical conductivity of pyrrol polymers | Helmut Muenstedt | 1986-08-19 |
| 4587037 | Pyrrole polymers as electrical heating elements | Helmut Munstedt, Helmut Gebhard, Johannes Schlag | 1986-05-06 |
| 4585536 | Ion exchange membranes consisting of pyrrole polymers | Hermann Puetter, Klaus Penzien | 1986-04-29 |
| 4578433 | Long-term stability of the electrical conductivity of pyrrole polymers | Helmut Muenstedt | 1986-03-25 |
| 4569734 | Preparation of polypyrroles, and films obtained by this method | Johann Nickl, Gernot Kohler | 1986-02-11 |