Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294505 | Integrated additive composition, process for its preparation and its use | Andreas Schmidt | 2001-09-25 |
| 6103004 | Matting agent based on aggregated silica | Peter Belligoi, Rex J. Field, Rita Schneider | 2000-08-15 |
| 6066691 | Anti-blocking agent and process for its manufacture | Richard Sobottka, Andreas Schmidt | 2000-05-23 |
| 5792808 | Anti-blocking agent and process for its manufacture | Richard Sobuttka, Andreas Schmidt | 1998-08-11 |
| 5221337 | SiO.sub.2 flatting agent, process for its production and its use | Gerd W. Scheuren, Heiko Zeh | 1993-06-22 |
| 4675122 | Combined antiblocking and lubricant concentrate | Richard Sobottka | 1987-06-23 |