Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770189 | Process for improving the purity of quaternary ammonium hydroxides by electrolysis | Fred Korpel, Roger Keranen Rains, Gerrit Jan Boerman | 2004-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770189 | Process for improving the purity of quaternary ammonium hydroxides by electrolysis | Fred Korpel, Roger Keranen Rains, Gerrit Jan Boerman | 2004-08-03 |