Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385147 | Method for producing polyvinylamine crosslinked polymer particles | — | 2019-08-20 |
| 10364303 | Iminodiacetic acid type chelate resin and method for producing same | Aiko Suzuki | 2019-07-30 |
| 5254634 | Crosslinked copolymer particles and process for producing the same | Tsuyoshi Ito, Hiroaki Takayanagi | 1993-10-19 |