Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965318 | Thermoplastic molding materials based on nylons and styrene copolymers | Christof Taubitz, Erhard Seiler, Konrad Mitulla, Horst Reimann | 1990-10-23 |
| 4959415 | Thermoplastic molding materials based on polyphenylene ethers, nylons and styrene copolymers | Christof Taubitz, Erhard Seiler, Konrad Mitulla, Klaus Boehlke | 1990-09-25 |
| 4914167 | Polymeric organic acids, their preparation and their use in detergents and cleansers | Heinrich Hartmann, Walter Denzinger, Albert Hettche, Wolfgang Trieselt, Rolf Schneider | 1990-04-03 |
| 4788253 | Thermoplastic molding material | Burghard Schmitt, Johann Swoboda, Georg Wassmuth, Claus Bernhard, Rudolf Stephan | 1988-11-29 |
| 4762874 | Thermoplastic molding materials | Karl H. Illers, Adolf Echte, Johann Swoboda | 1988-08-09 |
| 4743661 | Poly (phenylene ethers) and their preparation | Konrad Mitulla, Helmut Tesch, Burghard Schmitt, Hansjoachim Maeder | 1988-05-10 |
| 4728715 | Wholly aromatic polyesters and preparation thereof | Hans-Jakob Kock, Michael Portugall | 1988-03-01 |
| 4696996 | Preparation of polyphenylene ethers, and an apparatus for this purpose | Hermann Brandt, Hermann Fischer, Hermann Dreher, Eduard Heil, Herbert Naarmann +6 more | 1987-09-29 |
| 4672086 | Self-extinguishing thermoplastic polyester molding materials | Erhard Seiler, Gerhard Heinz | 1987-06-09 |
| 4654418 | Continuous removal of the catalyst from polyphenylene ethers | Rosemarie Berger, Hermann Dreher, Eduard Heil, Rudi W. Reffert, Johann Swoboda +2 more | 1987-03-31 |
| 4634734 | Thermoplastic molding material | Burghard Schmitt, Johann Swoboda, Georg Wassmuth, Claus Bernhard, Rudolf Stephan | 1987-01-06 |
| 4632946 | Halogen-free flameproofed thermoplastic molding material | Volker Muench, Adolf Echte, Karl H. Illers, Johann Swoboda | 1986-12-30 |
| 4618633 | Halogen-free self-extinguishing thermoplastic molding material | Christof Taubitz, Volker Muench, Adolf Echte, Karl H. Illers | 1986-10-21 |
| 4618636 | Flameproofed thermoplastic molding material comprising a novolak resin | Volker Muench, Herbert Naarmann, Adolf Echte, Karl H. Illers | 1986-10-21 |
| 4618668 | Preparation of polyphenylene ethers | Volker Muench, Walter Himmele, Adolf Echte, Johann Swoboda | 1986-10-21 |
| 4605699 | Thermoplastic molding compositions containing polycarbonate and an acrylate graft copolymer | Konrad Mitulla, Adolf Echte, Johann Swoboda, Peter Siebel, Josef Schwaab +1 more | 1986-08-12 |
| 4604415 | Thermoplastic molding materials | Karl H. Illers, Adolf Echte, Johann Swoboda | 1986-08-05 |
| 4603169 | Thermoplastic molding compositions containing polycarbonate and a graft copolymer of resin-forming monomers on a rubber | Konrad Mitulla, Adolf Echte, Johann Swoboda, Peter Siebel | 1986-07-29 |
| 4567232 | Continuous preparation of rubber-modified polymers of vinyl-aromatics | Adolf Echte, Hermann Gausepohl, Karl Gerberding | 1986-01-28 |
| 4536567 | Removal of the catalyst from polyphenylene ethers | Rudi W. Reffert, Peter Minges, Johann Swoboda | 1985-08-20 |
| 4526927 | Thermoplastic molding materials | Franz Brandstetter, Walter Ziegler, Wolfgang Muller, Klaus Bronstert, Adolf Echte | 1985-07-02 |
| 4503219 | Treatment of (Co)polymers to remove residual monomers | Rudi W. Reffert, Rudolf H. Jung, Adolf Echte | 1985-03-05 |
| 4496679 | Stabilization of polyphenylene ether solutions | Rudi W. Reffert, Adolf Echte, Johann Swoboda | 1985-01-29 |
| 4482705 | Removal of the catalyst from polyphenylene ethers | Rudi W. Reffert, Volker Muench, Adolf Echte, Johann Swoboda | 1984-11-13 |
| 4482696 | Avoiding an explosive gas phase in gas/liquid reactions | Hans H. Schuster, Hermann Dreher | 1984-11-13 |