Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069857 | Process for the production of molded articles by deep-drawing prefabricated polyurethane(urea) parts or by pressing fragmented polyurethane(urea) material | Joachim Wagner, Thomas Elsner, Werner Rasshofer, Eberhard Jurgens | 1991-12-03 |
| 4820580 | Process for the production of a composite system of a highly elastic material and a polyurethane foam layer and product formed thereby | Jurgen Hocker, Hans Hespe, Kirkor Sirinyan, Dieter Wecker | 1989-04-11 |