Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297446 | ABS-moulding compositions having high notched impact strength | Christian Lindner, Karl-Heinz Ott, Bernhard Arnold, Friedrich Kowitz, Dieter Kuhlmann | 1981-10-27 |
| 4223147 | Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their production | Paul Uhrhan, Reinhard Lantzsch, Ernst Roos, Hans Schroer, Dieter Arlt | 1980-09-16 |
| 4211699 | Isocyanate adduct diols | Hans D. Winkelmann, Karlheinz Wolf, Norbert Weimann | 1980-07-08 |