Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591832 | Benzylated lignocellulosic substance and a producing method thereof | Tetsuo Koshijima, Tadashi Takahashi, Toshiharu Hiraoka, Masami Ueda | 1997-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591832 | Benzylated lignocellulosic substance and a producing method thereof | Tetsuo Koshijima, Tadashi Takahashi, Toshiharu Hiraoka, Masami Ueda | 1997-01-07 |