Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Manfred Genz, Gerhard Hellmann, Walter Haselhorst, Ute Nichau, Heinz Bollmann +4 more | 2002-09-03 |
| 6310114 | Method of preparing compact or cellular polyurethane elastomers and isocyanate prepolymers suitable therefor | Manfred Genz, Walter Haselhorst, 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 | Manfred Genz, Walter Haselhorst, Ute Bruns, Heinz Bollmann, Michael J. Strauss +4 more | 2001-03-06 |
| 5891927 | Recycling of microcellular polyurethanes | Arne Kriesmann, Ute Bruns, Wolfgang Scholz, Michael-Christian Luderwald, Hartmut Peuker | 1999-04-06 |