Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612412 | Lactone-modified polyvinyl alcohol, a process for the preparation thereof | Kazushi Watanabe, Takaaki Fujiwa, Tomohisa Isobe | 1997-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612412 | Lactone-modified polyvinyl alcohol, a process for the preparation thereof | Kazushi Watanabe, Takaaki Fujiwa, Tomohisa Isobe | 1997-03-18 |