Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997462 | Pervaporation method of selectively separating water from an organic material aqueous solution through aromatic imide polymer asymmetric membrane | Masayuki Nakatani, Yoshihiro Kusuki | 1991-03-05 |