Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540838 | Process for producing chloroprene | Takao Iwasaki, Seiichi Watanabe | 1985-09-10 |
| 4461920 | Isomerization of dichlorobutenes | Seiichi Watanabe | 1984-07-24 |
| 4237074 | Isomerization of dichlorobutenes | Seiichi Watanabe | 1980-12-02 |