Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828699 | Process for the production of microporous polybenzimidazole articles | — | 1989-05-09 |
| 4290987 | Process for preparing microporous hollow fibers | John Chu Chen | 1981-09-22 |
| 4276179 | Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent | — | 1981-06-30 |
| 4257997 | Solvent stretch process for preparing a microporous film | Kenneth A. Ostrander | 1981-03-24 |
| 4255376 | Solvent stretch process for preparing microporous films from precursor films of controlled crystalline structure | — | 1981-03-10 |