Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988786 | Hydrophobic crosslinked copolymer from ethylenic ester or carbamate with polyethylenic monomer | — | 1991-01-29 |
| 4452918 | Totally porous activated gel | Kohji Noguchi, Takao Kiyota | 1984-06-05 |