Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8865935 | Purification methods for betulonic acid and Boc-lysinated betulonic acid, and organic synthesis of betulonic acid amides with piperazine derivatives | Tae Hwan Kim, Leonid Ten | 2014-10-21 |
| 6468329 | Adsorbents and methods for the separation of ethylene and propylene and/or unsaturated hydrocarbons from mixed gases | Soon Haeng Cho, Sang Sup Han, Jong Nam Kim, Venkateswarlu Choudary Nettem, Kumar Brakash | 2002-10-22 |
| 6022398 | Adsorption separation and purification apparatus and process for high purity isobutane production | Soon Haeng Cho, Sang Sup Han, Jong Nam Kim, Jung Il Yang, Hee Tae Beum | 2000-02-08 |
| 5547492 | Method for adsorbing and separating argon and hydrogen gases in high concentration from waste ammonia purge gas, and apparatus therefor | Soon Haeng Cho, Jong Nam Kim, Kwon-Il Kim, Youn Jong You, Seng-Go Lee | 1996-08-20 |