Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9403923 | Process for preparing synthetic polyethylene waxes having a high crystallinity and low viscosity | Udo Spitzer, Hans-Dieter Zagefka | 2016-08-02 |
| 5880193 | Dispersants for pigment concentrates | Fritz Berke, Manfred Scheiba, Werner Schaefer, Guenter Hahn | 1999-03-09 |