Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631342 | Lactone-modified diketene(meth)acrylate compound, a process for the preparation thereof, and a (co)polymer | Takaaki Fujiwa | 1997-05-20 |
| 5612412 | Lactone-modified polyvinyl alcohol, a process for the preparation thereof | Kazushi Watanabe, Takaaki Fujiwa, Hiroshi Sagane | 1997-03-18 |