Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967258 | Production of quaternary ammonium salt of hydroxycarboxylic acid and quaternary ammonium salt of inorganic acid | Yutaka Kanbara, Yasushi Higuchi, Tomoo Tsujimoto | 2005-11-22 |