Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324538 | Process for producing composite semipermeable membrane employing a polyfunctional amine solution and high flash point - solvent | Seriya Takahashi, Tadahiro Uemura | 1994-06-28 |