Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171493 | Process for extruding semi-permeable membrane having separate hollow passageways | Jean-Michel Espenan | 1992-12-15 |
| 5089187 | Process for producing a semi-permeable membrane by extrusion | Jean-Michel Espenan | 1992-02-18 |
| 4917798 | Method of fabricating a perforated plate for a hollow fiber separator apparatus, and devices obtained thereby | Jun Kong Liou | 1990-04-17 |
| 4882223 | Hollow fibers production method thereof and their applications particularly in the field of membrane-type separations | Jean-Michel Espenan | 1989-11-21 |