Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7964653 | Polyol composition for two-component curable abrasive foam, composition for two-component curable abrasive foam, abrasive foam, and method for producing abrasive foam | Fumio Yamamoto | 2011-06-21 |
| 4891421 | Processes for producing polycarbonate polyols | Motoyasu Kunugiza, Hiroharu Shirota, Hideyuki Ishizu | 1990-01-02 |