Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250156 | Process for preparing carbonyl sulfide | Nobuo Takahashi, Masamichi Shimizu, Sadayoshi Matsui | 1981-02-10 |
| 4212831 | Process for producing triphenylphosphine | Yoshiki Nakayama, Chihiro Yazawa | 1980-07-15 |