Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7824538 | Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell | Fred Korpel, Roger Keranen Rains | 2010-11-02 |
| 6770189 | Process for improving the purity of quaternary ammonium hydroxides by electrolysis | Anna Giatti, Fred Korpel, Roger Keranen Rains | 2004-08-03 |