Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600753 | Two stage process for the production of aromatic polyester-carbonate | Dieter Freitag, Claus Wulff, Ludwig Bottenbruch, Peter Tacke | 1986-07-15 |
| 4280007 | Process for the production of cellular polyurethane elastomers | Ernst Meisert, Franz-Josef Bohne, Klaus Brecht, Werner Mormann, Wolfgang Krohn | 1981-07-21 |