| 5597885 |
Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures |
Heinz-Dieter Lutter, Bernd Bruchmann, Claudia Spang, Roland Minges, Dietrich Scherzer +1 more |
1997-01-28 |
| 5596063 |
Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this type |
Heinz-Dieter Lutter, Bernd Bruchmann, Claudia Spang, Roland Minges, Dietrich Scherzer +1 more |
1997-01-21 |
| 5494941 |
Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the type |
Heinz-Dieter Lutter, Bernd Bruchmann, Claudia Spang, Roland Minges, Dietrich Scherzer +1 more |
1996-02-27 |
| 5059633 |
Preparation of flexible polyurethane foams having low compressive strength and block polyoxypropylenepolyoxyethylenepolyol mixtures which can be used for this purpose |
Heinz-Dieter Lutter, Werner Hinz, Walter Decker, Reinhard Leppkes, Erhard Reich +2 more |
1991-10-22 |