Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815172 | 1,3-butadiene separation and recovery method and 1,3-butadiene separation and recovery apparatus | Seiji Futamura, Kenichi Otsubo | 2020-10-27 |
| 6413378 | Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification | Yasuhiko Arimori, Toshihiro Nakano | 2002-07-02 |
| 6395953 | Process for preparing purified conjugated diene | Takaki Koga, Nobumasa Shimomura | 2002-05-28 |