Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299754 | PH sensitive reference electrode in electrolytic desilvering | Patrick Mertens, Werner Van De Wynckel, Frank Michiels | 2001-10-09 |
| 6238853 | Processing method of light-sensitive silver halide photographic materials showing less tendency to sludge formation | Govert De Baecke, Frank Michiels, Johan Loccufier, Ton Rutges | 2001-05-29 |
| 6238854 | Developer composition for use in the processing of light-sensitive silver halide photographic materials | Govert De Baecke, Frank Michiels, Johan Loccufier, Ton Rutges | 2001-05-29 |
| 5759377 | Process for de-silvering of a silver-containing solution | Guy Damen, Patrick Mertens, Werner Van De Wynckel, Paul Smet, Frank Michiels | 1998-06-02 |
| 5378340 | Apparatus for the electrolytic recovery of silver | Werner Van De Wynckel, Dirk De Ruijter, Frank Michiels | 1995-01-03 |
| 5370781 | Electrode | Werner Van De Wynckel, Dirk De Ruijter, Frank Michiels | 1994-12-06 |