Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414159 | Method for preparation of a quaternary ammonium salt | Kimihiko Sano, Yoji Urano, Atsunori Sano | 2002-07-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414159 | Method for preparation of a quaternary ammonium salt | Kimihiko Sano, Yoji Urano, Atsunori Sano | 2002-07-02 |