Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667561 | Method for selective separation of carbon dioxide from waste gas of combustion | Keiichi Inukai | 1997-09-16 |
| 5662726 | Method for separation of nitrogen and carbon dioxide by means of sepiolite as separation medium | Masakazu Horio, Shinji Tomura, Keiichi Inukai | 1997-09-02 |
| 5653785 | Method for separation of nitrogen and carbon dioxide by use of ceramic materials as separating agent | Masakazu Horio, Toshiaki Mori, Keiichi Inukai, Shinji Tomura | 1997-08-05 |
| 5612269 | Method for stably retaining an interlayer cross-linked clay under hydrothermal reaction and method for production of a stable interlayer cross-linked | — | 1997-03-18 |