Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492561 | Catalyst precursor for hydrocracking reaction and method for hydrocracking heavy oil by using same | Sunyoung Park, Gyoo Tae Kim, Hwi Min Seo, Minehul Chung, Seok Hwan Son +1 more | 2022-11-08 |
| 10647929 | Method for converting heavy oil by means of high asphaltene dispersion | Joung Mo CHO, Sun Young Park | 2020-05-12 |
| 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, Won Choon Choi, Hwi Min Seo | 2017-03-28 |
| 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 |
| 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 |
| 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 |
| 7718840 | Process for production of light olefins from hydrocarbon feedstock | Sun Choi, Yong Seung Kim, Deuk Soo Park, Suk Joon Kim, Il Mo Yang +5 more | 2010-05-18 |
| 7663013 | Solid acid catalyst for producing light olefins and process using the same | Sun Choi, Deuk Soo Park, Suk Joon Kim, Ahn Choi, Hee Young Kim +4 more | 2010-02-16 |
| 7601663 | Solid acid catalyst for producing light olefins and process using the same | Sun Choi, Deuk Soo Park, Suk Joon Kim, Ahn Choi, Hee Young Kim +4 more | 2009-10-13 |
| 7488700 | Hydrothermally stable microporous molecular sieve catalyst and preparation method thereof | Sun Choi, Yong Seung Kim, Deuk Soo Park, Suk Joon Kim, Il Mo Yang +5 more | 2009-02-10 |
| 6528031 | Method for preparing noble metal-supported zeolite catalyst for catalytic reduction of nitrogen oxide | Sang-Eon Park, Yong Ki Park, Jin Woo Lee, Jong-San Chang, Jung Kuk Cho | 2003-03-04 |
| 6191318 | Process for preparing hydroxylated aromatics by hydrogen and oxygen | Sang-Eon Park, Jong-San Chang, Yong Ki Park | 2001-02-20 |
| 6037511 | Catalyst for dehydrogenating aromatic with carbon dioxide | Sang-Eon Park, Jong-San Chang, Yong Ki Park, Min Seok Park, Jermim Noh | 2000-03-14 |
| 6034032 | Catalyst for dehydrogenating aromatic hydrocarbons with carbon dioxide | Sang-Eon Park, Jong-San Chang, Yong Ki Park, Min Seok Park, Jermim Noh | 2000-03-07 |
| 5972305 | Direct manufacturing method of hydrogen peroxide | Sang-Eon Park, Jung Whan Yoo, Woo Jin Lee, Jong-San Chang, Yong Ki Park | 1999-10-26 |