Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32976 | Sodium carboxymethylcellulose | Atsushi Taguchi | 1989-07-04 |
| 4617385 | Quaternary ammonium salts of carboxymethylcellulose | Hajime Namikoshi | 1986-10-14 |
| 4525585 | Sodium carboxymethylcellulose | Atsushi Taguchi | 1985-06-25 |