Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294665 | Separation of acetonitrile from crude olefinically unsaturated nitrile | Tanaka Tetsuo | 1981-10-13 |
| 4276125 | Process for purification of crude olefinically unsaturated nitrile and condenser useful for same process | — | 1981-06-30 |