Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11865514 | Catalyst for producing olefin, including oxygen carrier material and dehydrogenation catalyst | Yong Ki Park, Daesung PARK, Hawon PARK, Changyeol SONG, Deuk Soo Park +2 more | 2024-01-09 |
| 11684907 | Catalyst having enhanced conversion and selectivity for manufacturing olefin, and manufacturing method therof | Yong Ki Park, Daesung PARK, Hawon PARK, Deuk Soo Park, Ung Gi HONG +2 more | 2023-06-27 |
| 11439982 | Method of producing olefin using circulating fluidized bed process | Yong Ki Park, Daesung PARK, Hawon PARK, Changyeol SONG, Deuk Soo Park +4 more | 2022-09-13 |
| 11148123 | Catalyst for producing olefin, and continuous reaction-regeneration olefin producing method using the catalyst | Yong Ki Park, Su Jin Gong, Seo Hyun Shim, Deuk Soo Park, Ung Gi HONG | 2021-10-19 |
| 11141712 | Catalyst for producing olefin having enhanced stability, conversion rate and selectivity, and preparation method thereof | Ung Gi HONG, Deuk Soo Park | 2021-10-12 |
| 10821432 | Olefin production method comprising reduction pretreatment | Deuk Soo Park, Ung Gi HONG, Hyeongchan Ahn, Yong Ki Park | 2020-11-03 |
| 10737990 | Olefin production method using circulating fluidized bed process | Deuk Soo Park, Ung Gi HONG, Hyeongchan Ahn, Yong Ki Park | 2020-08-11 |
| 10226757 | Method for surface-modifying metal silicide, and method and apparatus for preparing trichlorosilane using surface-modified metal silicide | Yong Ki Park, Woo-Hyung Lee, Hwi Min Seo, Na Young Kang, Joo Hee Han +3 more | 2019-03-12 |
| 10131850 | Naphtha and methanol mixed catalytic cracking reaction process | Na Young Kang, Yong Ki Park, Dae Jin Kim, Hwi Min Seo, Sunyoung Park +2 more | 2018-11-20 |
| 9764960 | Method and apparatus for preparation of granular polysilicon | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2017-09-19 |
| 9694312 | Carbon dioxide capture apparatus | Yong Ki Park, Na Young Kang, Hwi Min Seo | 2017-07-04 |
| 9604851 | Method for producing high silica zeolite using recovered silica filtrate, and high silica zeolite produced according to said method | Na Young Kang, Yong Ki Park, Hwi Min Seo, Chul Wee Lee | 2017-03-28 |
| 9321039 | Catalyst for decomposition of perfluorinated compound containing halogen acid gas, and preparation method thereof | Yong Ki Park, Na Young Kang, Min-Whee Cho, Song-Jong Cho, Sung Ho Cho +2 more | 2016-04-26 |
| 9138730 | Cation-exchanged zeolite catalyst and process for producing mono-iodo benzene through transiodination by using it | Yong-Jin Yi, Jae-Bong Lim, Il-Hoon Cha, Han-Seok Kim, Yong Ki Park +1 more | 2015-09-22 |
| 9108180 | Cation-exchanged zeolite catalyst and process for producing mono-iodo benzene through transiodination by using it | Yong-Jin Yi, Jae-Bong Lim, Il-Hoon Cha, Han-Seok Kim, Yong Ki Park +1 more | 2015-08-18 |
| 9056308 | Catalyst for catalytic cracking of hydrocarbon, which is used in production of light olefin and production method thereof | Dae Hyun Choo, Hong Chan Kim, Suk Joon Kim, Ji Min Kim, Tae Jin Kim +9 more | 2015-06-16 |
| 8894753 | Carbon dioxide capture systems | Yong Ki Park, Na Young Kang | 2014-11-25 |
| 8840864 | Method of preparing ZSM-5 zeolite using nanocrystalline ZSM-5 seeds | Sun Choi, Deuk Soo Park, Suk Joon Kim, Dae Hyun Choo, Yong Ki Park +4 more | 2014-09-23 |
| 8821827 | Method and apparatus for preparation of granular polysilicon | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2014-09-02 |
| 8747757 | Method and apparatus for preparation of granular polysilicon | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2014-06-10 |
| 8673802 | Catalyst for catalytic cracking of hydrocarbon, which is used in production of light olefin and production method thereof | Dae Hyun Choo, Hong Chan Kim, Suk Joon Kim, Ji Min Kim, Tae Jin Kim +9 more | 2014-03-18 |
| 8430959 | Apparatus and methods for preparation of high-purity silicon rods using mixed core means | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park, Won Wook So | 2013-04-30 |
| 8431032 | Method for continual preparation of polycrystalline silicon using a fluidized bed reactor | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2013-04-30 |
| 8216643 | Methods for preparation of high-purity polysilicon rods using a metallic core means | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park, Sang Jin Moon | 2012-07-10 |
| 8114352 | High-pressure fluidized bed reactor for preparing granular polycrystalline silicon | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2012-02-14 |