Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762897 | Process for recovering a mixture of unreacted ethylene and propylene | Tadashi Asanuma, Yoshiyuki Funakoshi | 1988-08-09 |
| 4725338 | Purification process of polymerization solvent | Tadashi Asanuma, Minoru Hino, Nobutaka Uchikawa | 1988-02-16 |
| 4659755 | Method of continuously operating a counter-flow washing column | Tadashi Asanuma, Yoshiyuki Funakoshi | 1987-04-21 |
| 4632976 | Process for the continuous discharge of a slurry | Tadashi Asanuma, Nobutaka Uchikawa | 1986-12-30 |