Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143847 | Method for preparing (co) polymers by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring | Thieo E. Hogen-Esch, Dimo K. Dimov, Stephan Jungling, Volker Warzelhan | 2000-11-07 |
| 6031053 | Thermoplastic elastomer | Konrad Knoll, Norbert Niessner, Dietmar Bender, Paul Naegele | 2000-02-29 |
| 5990236 | Preparation of impact-resistant polystyrene | Konrad Knoll, Wolfgang Loth | 1999-11-23 |
| 5939595 | Preparation of diarylethanes | Eugen Gehrer, Klemens Massonne, Martin Fischer, Christopher William Rieker, Lorenz Siggel | 1999-08-17 |
| 5910553 | Preparation of rubber-modified molding materials by means of groups which are incorporated in the rubber and form free radicals on thermal decomposition | Graham E. McKee, Rainer Moors, Joachim Seibring | 1999-06-08 |
| 5902865 | Preparation of polystyrene by continuous anionic polymerization | Wolfgang Fischer, Wolfgang Loth, Reiner Thiele | 1999-05-11 |
| 5886105 | Preparation of rubber-modified molding materials from reaction mixtures containing derivatives of acrylamides or of methacrylamides | Graham Edmund Mc Kee, Bernhard Rosenau, Walter Heckmann | 1999-03-23 |
| 5880166 | Expandable styrene polymers | Guiscard Glück, Klaus Hahn, Rolf Henn, Karl-Heinz Wassmer, Konrad Knoll +1 more | 1999-03-09 |
| 5854353 | Thermoplastic molding compound | Konrad Knoll | 1998-12-29 |
| 5817266 | Dewatering of water-moist graft rubber | Norbert Güntherberg, Jurgen Hofmann, Hilmar Ohlig, Elmar Mailahn, Friedrich Seitz +2 more | 1998-10-06 |
| 5795938 | Preparation of toughened polystyrene molding materials | Konrad Knoll, Wolfgang Loth, Wolfgang Fischer | 1998-08-18 |
| 5717040 | Continuous process for polymerizing anionically polymerizable vinyl compounds | Franz Brandstetter, Reiner Thiele | 1998-02-10 |
| 5700876 | Thermoplastic molding material | Konrad Knoll | 1997-12-23 |
| 5587423 | Preparation of block copolymers by ionic polymerization | Franz Brandstetter, Reiner Thiele | 1996-12-24 |
| 5391655 | Preparation of an aromatic vinyl compound | Franz Brandstetter, Reiner Thiele | 1995-02-21 |
| 5250611 | Preparation of ABS molding materials | Ehrenfried Baumgartner, Rudolf H. Jung | 1993-10-05 |
| 5036130 | Transparent thermoplastic molding material, its preparation and its use | Hans-Michael Walter, Klaus Bronstert, Juergen Pohrt | 1991-07-30 |
| 5019626 | Thermoplastic molding materials based on polyphenylene ethers and nylons | Christof Taubitz, Erhard Seiler, Klaus Boehlke, Walter Heckmann | 1991-05-28 |
| 4990564 | Thermoplastic molding materials | Christof Taubitz, Horst Reimann, Klaus Boehlke, Christoph Plachetta | 1991-02-05 |
| 4943399 | Continuous preparation of molding materials based on polyphenylene ethers and nylons | Christof Taubitz, Erhard Seiler, Klaus Boehlke, Lothar Schlemmer | 1990-07-24 |
| 4880875 | Thermoplastic molding material based on polycarbonate, ASA and vinylaromatics/an-containing copolymers | Georg Wassmuth, Karl Ruppmich, Erhard Seiler, Klaus Benker | 1989-11-14 |
| 4866114 | Self-extinguishing, thermoplastic polyphenylene ether/polyamide molding materials and their use for the production of moldings | Christof Taubitz, Klaus Boehlke | 1989-09-12 |
| 4797453 | Graft polymers of polyphenylene ethers | Christof Taubitz, Erhard Seiler, Lothar Schlemmer | 1989-01-10 |
| 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 |
| 4647621 | Thermoplastic molding material | Juergen Pohrt, Ruediger Matern, Helmut Jenne, Karl Gerberding | 1987-03-03 |