Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9126386 | Composite elements | Markus Schütte, Frank Fechner | 2015-09-08 |
| 8563137 | Composite material comprising two or more superimposed layers of woods | Hans U. Schmidt, Stefan Ullmann, Timo Prozeske, Stefan Meyer | 2013-10-22 |
| 8557389 | Use of a composite material based on a one component polyurethane adhesive | Hans U. Schmidt, Timo Prozeske, Stefan Meyer, Harald Roedel, Norbert Strubel +4 more | 2013-10-15 |
| 6444777 | PROCESS FOR PRODUCING COMPACT OR CELLULAR POLYURETHANE ELASTOMERS BASED ON 3,3′ DIMETHYL DIPHENYL 4,4′ DIISOCYANATE-CONTAINING POLYISOCYANATE MIXTURES AND ISOCYANATE PREPOLYMERS SUITABLE THEREFOR | Gerhard Hellmann, Walter Haselhorst, Torsten Jeschke, Ute Nichau, Heinz Bollmann +4 more | 2002-09-03 |
| 6310114 | Method of preparing compact or cellular polyurethane elastomers and isocyanate prepolymers suitable therefor | Walter Haselhorst, Torsten Jeschke, Ute Nichau, Heinz Bollmann, Michael J. Strauss +4 more | 2001-10-30 |
| 6197839 | Process for preparing compact or cellular polyurethane elastomers and isocyanate prepolymers suitable for this purpose | Walter Haselhorst, Torsten Jeschke, Ute Bruns, Heinz Bollmann, Michael J. Strauss +4 more | 2001-03-06 |
| 6063824 | Microcellular urea-containing polyurethane elastomer | Ruediger Krech, Udo Rotermund, Heinz Bollmann, Renate Hempel, Wolfgang Scholz | 2000-05-16 |
| 6037383 | Microcellular polyurethane elastomer containing urea groups | Ruediger Krech, Udo Rotermund, Heinz Bollmann, Renate Hempel, Wolfgang Scholz | 2000-03-14 |
| 5908894 | Thermoplastic polyurethanes and their preparation | Frank Prissok, Peter Horn, Ruediger Krech, Gerhard Lehr, Horst King | 1999-06-01 |
| 5695791 | Apparatus for producing foamed plastics parts | Karl-Heinz Baumann, Johann Nikolitsch | 1997-12-09 |
| 5654479 | 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation | Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges +3 more | 1997-08-05 |
| 5621138 | 4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation | Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges +3 more | 1997-04-15 |
| 5597942 | Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizers | Siegmund Pohl, Friedhelm Lehrich, Bernd Bruchmann, Helmut Tesch, Roland Minges +1 more | 1997-01-28 |
| 5532414 | 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation | Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges +3 more | 1996-07-02 |
| 5504241 | Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers | Siegmund Pohl, Friedhelm Lehrich, Bernd Bruchmann, Helmut Tesch, Roland Minges +1 more | 1996-04-02 |
| 5498747 | Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis (1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers | Siegmund Pohl, Friedhelm Lehrich, Bernd Bruchmann, Helmut Tesch, Roland Minges +1 more | 1996-03-12 |
| 5177116 | Flexible polyurethane foams with reduced dripping during burning | Andreas Rothacker | 1993-01-05 |
| 5149725 | Flexible polyurethane foams with reduced dripping during burning | Andreas Rothacker | 1992-09-22 |
| 5047441 | Rigid polyurethane foams prepared from polyvinyl acetate/allyl alcohol polyols, and process for making same | Eric J. Lind, Michele Lee, Thomas B. K. Lee | 1991-09-10 |