Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757144 | Preparing tertiary amine from formaldehyde and primary and/or secondary amine | Kazuhiko Okabe, Yukinaga Yokota, Tatuhiro Imanaka | 1988-07-12 |
| 4254060 | Process for producing an aliphatic amine | Hiroshi Kimura, Shunichi Tsutsumi | 1981-03-03 |
| 4210605 | Process for the preparation of aliphatic amines | Fumiro Hoshino, Hiroshi Kimura | 1980-07-01 |