Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302187 | Concentration process of gaseous chlorine | Hiroyuki Itoh, Shinji Takenaka, Yukihiro Yoshikawa, Isao Kikuchi, Teruo Hirayama | 1994-04-12 |
| 5296017 | Method and apparatus for concentrating chlorine gas | Masaaki Ura, Hiroyuki Itoh, Satoshi Tsuruda | 1994-03-22 |
| 5283365 | Process for preparing high-purity aniline | Teruyuki Nagata, Katsuji Watanabe, Akihiro Tamaki, Takashi Kobayashi | 1994-02-01 |