Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326491 | Detergents containing certain sulfonated dibenzofuranylbiphenyls | Claude Eckhardt, Hans R. Meyer | 1994-07-05 |
| 5295284 | Ultra-high performance carding machine | Robert Demuth, Paul Staheli, Peter Fritzsche | 1994-03-22 |
| 5279772 | Liquid detergents containing specifically disulfonated dibenzofuranyl-biphenyls as flourescent whitening agents | Claude Eckhardt | 1994-01-18 |