Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804750 | Production of water-soluble chitin-oligomers by partial hydrolysis of chitin | Tatsumi Nishimura, Toyofumi Yamada | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804750 | Production of water-soluble chitin-oligomers by partial hydrolysis of chitin | Tatsumi Nishimura, Toyofumi Yamada | 1989-02-14 |