Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599989 | Water-absorbent agents containing polycarboxylic amine chelating agents | Katsuyuki Wada, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2003-07-29 |