Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784317 | Production of quaternary ammonium salt of hydroxycarboxylic acid and quarternary ammonium salt of inorganic acid | Yutaka Kanbara, Yasushi Higuchi, Genki Nogami | 2004-08-31 |