Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303864 | Hydrocarbon adsorption and desorption complex comprising zeolite with controlled cation and preparation method therefor | Jungkyu Choi, Jinseong Kim, Eunhee Jang | 2025-05-20 |
| 12214320 | Separator membrane having hierarchical structure comprising mesopores, production method therefor and xylene separation method using same | Jungkyu Choi, Sungwon Hong | 2025-02-04 |
| 12042789 | Catalyst for exhaust gas purification and manufacturing method thereof | Dalyoung Yoon, Hyoseong Woo, Eun Jun Lee, Haney Park, Hyun Wook JUNG | 2024-07-23 |
| 12036516 | Method of controlling structure of defects in MFI zeolite membranes | Jungkyu Choi, Sung Won HONG | 2024-07-16 |
| 12036517 | CHA zeolite membrane and method of preparing the same | Jungkyu Choi, Sung Won HONG | 2024-07-16 |
| 12017202 | Hydrocarbon adsorption and desorption complex including gas adsorbing portion and reinforcing portion and method for preparing the same | Jungkyu Choi, Jinseong Kim, Eunhee Jang, Layoung Choi | 2024-06-25 |
| 11919832 | Dissimilar metal-supported catalyst for the production of aromatics by methane dehydroaromatization and method for producing aromatics using the same | Do Heui KIM, Jae Ik Sim, Byung Jin Lee | 2024-03-05 |
| 11904282 | Method of controlling structure of defects in chabazite zeolite membranes through low temperature heat treatment | Jungkyu Choi, Minseong LEE | 2024-02-20 |
| 11772090 | Low-temperature de-NOx catalyst using ceria-alumina complex support and manufacturing method thereof | Ki Bong Lee, Hyun Wook Kim | 2023-10-03 |
| 11712684 | Supported metal catalyst and method of forming the same | Do Heui KIM, Yonghyun Lim, Minyeong Gim | 2023-08-01 |
| 11666886 | Hydrocarbon adsorption and desorption complex comprising zeolite with controlled cation ratio and preparation method therefor | Jungkyu Choi, Jinseong Kim, Eunhee Jang, Hwiyoon Noh | 2023-06-06 |
| 11596905 | Method of preparing heterogeneous zeolite membranes | Jungkyu Choi, Yang-Hwan JEONG | 2023-03-07 |
| 11485654 | Method for preparing a catalyst and using the catalyst for wastewater treatment | Min-June Kim, Min-Woo Lee | 2022-11-01 |
| 11465102 | Method of preparing heterogeneous zeolite membranes | Jungkyu Choi, Yang-Hwan JEONG | 2022-10-11 |
| 11458441 | CHA zeolite membrane and method of preparing the same | Jungkyu Choi, Sung Won HONG | 2022-10-04 |
| 11433380 | Catalyst for reducing carbon monoxide and hydrocarbon, and method for preparing the same | Dalyoung Yoon, Jin Woo Choung, Jungkyu Choi, Eun Jun Lee, Yaeun SEO +1 more | 2022-09-06 |
| 11285444 | Method of preparing CO2-selective membranes by controlling calcination process including rapid thermal processing and membranes produced thereby | Jungkyu Choi, Sung Won HONG | 2022-03-29 |
| 11198110 | Method of fabricating organic structure directing agent-free CHA type zeolite membrane and membrane fabricated thereby | Jungkyu Choi, Eunhee Jang | 2021-12-14 |
| 11027241 | Method of post-treating zeolite membranes by using dye molecules | Jungkyu Choi, Sung Won HONG | 2021-06-08 |
| 10987656 | Core-shell nanoparticle, method for manufacturing same and method for producing hydrogen peroxide using same | Myung-gi Seo, Seongmin Kim, Ha Eun Jeong | 2021-04-27 |
| 10981797 | Method of preparing zeolite nanosheet via simple calcination process and zeolite nanosheet particle prepared thereby | Jungkyu Choi, Eun-Hee Jang | 2021-04-20 |
| 10927011 | Method for producing zeolite having controlled aluminum content by adjusting composition of synthesis mixture | Sung-June Cho, Soon Hee Park, Jin-Hee Park | 2021-02-23 |
| 10780429 | Method for synthesizing zeolite using structure directing agent containing benzyl group and zeolite synthesized therefrom | Sung-June Cho, Soon Hee Park, Seung Gwan Lee | 2020-09-22 |
| 10695722 | Method of preparing perm-selective porous membrane and method of separating gases using porous membrane prepared thereby | Jungkyu Choi, Eunhee Jang | 2020-06-30 |
| 10537855 | Method of preparing decadodecasil 3R type zeolite membranes and membranes prepared thereby | Jungkyu Choi, Eun Joo Kim | 2020-01-21 |