Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374667 | Process for the preparation of fluorochlorohydrocarbon-free, low-density polyurethan soft foams and soft elastic polyurethan molding foams and polyisocyanate mixtures modified with urethan groups on diphenylmethane-diisocyanate base | Ruth Zschiesche, Heinz-Dieter Lutter, Bernd Bruchmann | 1994-12-20 |
| 5364852 | Preparation of compact or cellular elastomers containing urethane and urea groups, and moldings produced therefrom | Christian Maletzko, Johannes Becker, Guenter Matzke | 1994-11-15 |
| 5340916 | Polyoxypropylene-polyols and polyoxypropylene-polyoxyethylene-polyols containing hydroxyl groups | Rolf Henn, Ludwig Schuster, Klaus Vorspohl | 1994-08-23 |
| 5306798 | Transparent, autoclavable, non-cytotoxic, essentially compact polyurethane embedding compositions, the preparation thereof and the use thereof, especially for articles used in medicine | Peter Horn, Georg Knoblauch, Falko Ramsteiner, Gottfried Knorr | 1994-04-26 |