Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725601 | Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material | Kozo Tajiri, Masayo Maeda | 1998-03-10 |
| 4183146 | Process for simultaneously drying mechanical wood pulp and improving mechanical strength and brightness of the pulp | Kazuo Koide, Yuzo Okazaki, Isao Yamada | 1980-01-15 |