Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342847 | Process for the production of thermoplastic synthetic materials | Wilhelm Goyert, Wolfgang Grimm, Alfred Eitel, Hans Wagner, Georg Niederdellmann +1 more | 1982-08-03 |
| 4280007 | Process for the production of cellular polyurethane elastomers | Franz-Josef Bohne, Klaus Brecht, Werner Mormann, Wolfgang Krohn, Gerhard Henes | 1981-07-21 |
| 4261946 | Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent | Wilhelm Goyert, Wolfgang Grimm, Alfred Eitel, Hans Wagner, Georg Niederdellmann +1 more | 1981-04-14 |
| 4250292 | Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine | Georg Niederdellmann, Wilhelm Goyert, Alfred Eitel, Hans Wagner, Hans Hespe | 1981-02-10 |