Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 4478960 | Diphenylmethane diisocyanate-based liquid polyisocyanate mixtures containing urethane groups, process for their preparation and their use for the preparation of flexible polyurethane foams | Ingolf Buethe, Matthias Marx, Gisbert Schleier | 1984-10-23 |
| 4421872 | Process for the preparation of elastic flexible polyurethane foams | Ingolf Buethe, Wolfgang Straehle, Matthias Marx | 1983-12-20 |