Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601971 | Hardening of hydrophilic colloids with imidazolium and triazine combinations | Ludovic Fodor, Richard R. Jones, Reinhold R uger, Rolf Weberg | 1997-02-11 |
| 5591863 | Imidazolium hardeners for hydrophilic colloids | Ludovic Fodor, Rolf Weberg | 1997-01-07 |