Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616783 | Purification process of polyhydroxycarboxylic acid | Katsuji Watanabe, Shoji Obuchi, Masahiro Ohta | 1997-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616783 | Purification process of polyhydroxycarboxylic acid | Katsuji Watanabe, Shoji Obuchi, Masahiro Ohta | 1997-04-01 |