Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446349 | Adsorptive permeation hollow fiber membrane, method of manufacturing the same, and gas adsorptive/desorptive separation system utilizing the same | Byungjae PARK | 2016-09-20 |
| 6335202 | Method and apparatus for on-line measurement of the permeation characteristics of a permeant through dense nonporous membrane | Jung-Min Lee, Chul Ung Kim, Beom Sik Kim, Kwang Joo Kim | 2002-01-01 |
| 6325218 | Polyion complex separation membrane with a double structure | Jung-Min Lee, Chul Ung Kim, Beom Sik Kim, Kwang Joo Kim | 2001-12-04 |
| 6228291 | Process for preparing controlled-released chitosan microcapsule | Jung-Min Lee, Chul Ung Kim, Beom Sik Kim, Kwang Joo Kim, Sang Bong Oh | 2001-05-08 |