Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369132 | Method for producing a spherical acrylonitrile crosslinked copolymer | Tsuyoshi Ito, Junya Watanabe | 1994-11-29 |
| 5314974 | Method for producing a spherical acrylonitrile crosslinked copolymer | Tsuyoshi Ito, Junya Watanabe | 1994-05-24 |