Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444744 | Hydrophilic resin, absorbent article, and acrylic acid for polymerization | Hirotama Fujimaru, Kunihiko Ishizaki, Sei Nakahara | 2002-09-03 |
| 6410616 | Crosslinked polymer particle and its production process and use | Masatoshi Nakamura, Shigenori Kirimura, Yoshifumi Adachi | 2002-06-25 |
| 6399668 | Water absorbent resin | Koji Miyake, Hiroshi Odanaka | 2002-06-04 |
| 6391994 | Production process for vinylpyrrolidone polymer | Daijo Tomihisa, Akio Naka, Toshiaki Kuriyama, Yuuji Shimasaki, Hideyuki Nishibayashi | 2002-05-21 |
| 6372852 | Water-absorbing composition and production process for water-absorbing agent | Kazuhisa Hitomi, Yuji Yamamoto, Shigenori Kirimura | 2002-04-16 |
| 6342652 | Water-swellable crosslinked polymer, its composition, and their production processes and uses | Toshimasa Kitayama, Yoshifumi Adachi | 2002-01-29 |