Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664224 | Quaternary ammonium salt and process for the preparation thereof | Hiroki Kourai, Shigeyuki Shibata, Katsuyoshi Harada | 2003-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664224 | Quaternary ammonium salt and process for the preparation thereof | Hiroki Kourai, Shigeyuki Shibata, Katsuyoshi Harada | 2003-12-16 |