Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436891 | Modified polyoxyalkylenepolyamine curing agents for epoxy resins | Yoshiyuki Iwase | 1984-03-13 |
| 4431790 | Curing agents for polyurethane and process using same | Seiichi Ota, Yoshiyuki Iwase | 1984-02-14 |