| Anmelder |
Datum |
Patentnummer |
Cluster |
| The Dow Chemical Company (Midland, MI) |
1989-12-05 | 5013339.txt | cluster_25 |
| Koch Membrane Systems (Wilmington, MA, US) |
2002-01-28 | 6890435.txt | cluster_25 |
| Koch Membrane Systems (Wilmington, MA, US) |
2004-10-21 | 7070721.txt | cluster_25 |