Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818590 | Method for absorbing contaminants | Freddy Helmer-Metzmann | 2004-11-16 |
| 6566475 | Stress cracking-resistant cycloolefin copolymer composition | Klaus Berger, Wilfried Hatke | 2003-05-20 |
| 6383396 | Method for absorbing contaminants | Freddy Helmer-Metzmann | 2002-05-07 |
| 6368725 | Method for producing a coating powder composition | Knut Graf, Hans-Ulrich Simmrock, Volker Mörs, Bennett C. Ward | 2002-04-09 |
| 6365315 | Manufacturing methods, based on non aqueous dispersion techniques, to produce spherical polyester particle size distributions and tailorable mean particle sizes | Stefan Wulf, Volker Mörs, Toshio Shiwaku, Benett Clayton Ward | 2002-04-02 |
| 6365686 | Method for producing a cycloolefin copolymer | Gerhard Fink, Dieter Ruchatz | 2002-04-02 |
| 6316560 | Method for producing cycloolefin polymers | Gerhard Fink, Dieter Ruchatz | 2001-11-13 |
| 6239187 | Polymer foams | Wilfried Hatke, Freddy Helmer-Metzmann | 2001-05-29 |
| 6225407 | Polymer blend | Klaus Berger, Wilfried Hatke | 2001-05-01 |
| 6132622 | Absorbents | Freddy Helmer-Metzmann | 2000-10-17 |
| 6040469 | Metallocene compound | Michael Riedel, Thomas Weller, Wolfgang Anton Herrmann, Markus Morawietz | 2000-03-21 |
| 6020444 | Process for preparing a cycloolefin copolymer | Michael Riedel, Thomas Weller | 2000-02-01 |
| 5869586 | Process for preparing a cycloolefin copolymer | Michael Riedel, Thomas Weller | 1999-02-09 |