Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7026421 | Random propylene copolymers | David Appleyard, Franz Langhauser, Murray Horton, Roland Hingmann, Gunther Schweier +4 more | 2006-04-11 | $15,525,000 |
| 7001965 | Random propylene copolymers | David Appleyard, Franz Langhauser, Murray Horton, Roland Hingmann, Gunther Schweier +4 more | 2006-02-21 | $608,000 |
| 6562478 | Sealable multilayer film made of a grafted terpolymer | David Fischer, Bernd Lothar Marczinke, Franz Langhauser, Wolfgang Bidell, Roland Hingmann +4 more | 2003-05-13 | |
| 6221984 | Random propylene copolymer | Meinolf Kersting, Franz Langhauser | 2001-04-24 | $375,000 |
| 5641821 | Polypropylene molding materials | Erhard Seiler | 1997-06-24 |