Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225101 | Polyol compositions for producing rigid polyurethane foams | — | 1993-07-06 |
| 5225453 | Polyol compositions for producing rigid polyurethane foams | — | 1993-07-06 |
| 5026739 | Methods of producing rigid polyurethane foams for interior or exterior use for automobiles | Yuzo Matsushima, Yoshiyuki Ito | 1991-06-25 |