| 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 |