Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338815 | Fine particulate crosslinked type n-vinylamide resin and microgel, process for preparing same, and use thereof | Toshiyuki Aizawa, Hitoshi Nakamura | 1994-08-16 |
| 5280095 | Fine particulate crosslinked type N-vinylamide resin and microgel, process for preparing same, and use thereof | Toshiyuki Aizawa, Hitoshi Nakamura | 1994-01-18 |