Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432266 | Process for bleaching chemical pulp simultaneously with chlorine dioxide, peroxide and a reaction catalyst | Takamasa Fukushima, Tetsuo Koshitsuka, Yuh Miyauchi, Takahiro Cho | 2002-08-13 |
| 6048437 | Process for bleaching chemical pulp with chlorine dioxide, peroxide and Na.sub.2 M.sub.0 O.sub.4 as reaction catalyt | Takamasa Fukushima, Tetsuo Koshitsuka, Yuh Miyauchi, Takahiro Cho | 2000-04-11 |