Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385277 | Catalyst for producing hydrogenated biodiesel and method of producing the same | Sang Il Lee, Do Woan Kim, Hee Jung Jeon, Sang Jun Ju, Jae Wook Ryu +1 more | 2019-08-20 |
| 9550947 | Hydrocracking process of heavy hydrocarbon distillates using supercritical solvent | Jae Wook Ryu, Il Yong Jeong, Sung-Bum Park, Do Woan Kim, Eun Kyoung Kim +4 more | 2017-01-24 |
| 9376353 | Method of producing aromatic hydrocarbons and olefin from hydrocarbonaceous oils comprising large amounts of polycyclic aromatic compounds | Cheol Joong Kim, Sung Won Kim, Sang Hun Oh, Il Yong Jeong, Kang Seok Go +10 more | 2016-06-28 |
| 9283553 | Hydrocracking catalyst for preparing valuable light aromatic hydrocarbons from polycyclic aromatic hydrocarbons | Do Woan Kim, Jae Hyun Koh, Sang Il Lee, Seung Woo Lee, Seung Hoon Oh +5 more | 2016-03-15 |
| 9162202 | High performance chimney tray for a fixed bed reactor | Myung Jun Kim, Seong-Jun Hong, Yong-Woon Kim, Kug Kyong Song, Jae Wook Ryu +2 more | 2015-10-20 |
| 9127215 | Method for reducing the amount of organic acids in a hydrocarbon oil fraction | Jin Kyu Choi, Cheol-Woo Park, Tae Won Uhm, Il Yong Jeong, Ha Na Song +5 more | 2015-09-08 |
| 8975462 | Method for producing high-added-value aromatic products and olefinic products from an aromatic-compound-containing oil fraction | Hong Chan Kim, Sung Won Kim, Yong Seung Kim, Sang Hun Oh, Soo Kil KANG +4 more | 2015-03-10 |
| 8962900 | Method for producing valuable aromatics and light paraffins from hydrocarbonaceous oils derived from oil, coal or wood | Hong Chan Kim, Yong Seung Kim, Sang Hun Oh, Hyuck-Jae Lee, Jae Suk Koh +9 more | 2015-02-24 |
| 8962901 | Method of producing valuable aromatics and olefins from hydrocarbonaceous oils derived from coal or wood | Hong Chan Kim, Yong Seung Kim, Sung Won Kim, Sang Hun Oh, Hyuck-Jae Lee +13 more | 2015-02-24 |
| 8936715 | Method of manufacturing high quality lube base oil using unconverted oil | Kyung Seok Noh, Yong-Woon Kim, Jae Wook Ryu, Sun Hyuk Bae, Tae Young Jang +2 more | 2015-01-20 |
| 8933283 | Process for the preparation of clean fuel and aromatics from hydrocarbon mixtures catalytic cracked on fluid bed | Cheol Joong Kim, Jae Wook Ryu, Kyeong Hak Seong, Byoung Mu Chang, Byeung Soo Lim +7 more | 2015-01-13 |
| 8911613 | Method of simultaneously manufacturing high quality naphthenic base oil and heavy base oil | Kyung Seok Noh, Jae Wook Ryu, Do Hyoun Kim, Seung Woo Lee, Do Woan Kim +4 more | 2014-12-16 |
| 8912377 | Method for producing high value aromatics and olefin from light cycle oil produced by a fluidized catalytic cracking process | Cheol Joong Kim, Tae Jin Kim, Do Woan Kim, Sung Won Kim, Sang Hun Oh +7 more | 2014-12-16 |
| 8865086 | Quenching apparatus for a reactor | Tae Young Jang, Min Ki Ahn, Sun Hyuk Bae, Yoon Mang Hwang, Kyoo Sung Park +2 more | 2014-10-21 |
| 8834706 | Method for preparing lubricating base oils by using vacuum distilled deasphalted oil | Kyung Seok Noh, Jae Wook Ryu, Do Hyoun Kim, Seung Woo Lee, Do Woan Kim +4 more | 2014-09-16 |
| 8691076 | Process for manufacturing naphthenic base oils from effluences of fluidized catalytic cracking unit | Chang Kuk Kim, Jee Sun Shin, Ju Hyun Lee, Sam Ryong Park, Yoon Mang Hwang | 2014-04-08 |
| 8663504 | Method for gasification of carbon-containing materials by thermal decomposition of methane and conversion of carbon dioxide | Jin Hong Kim, Sang Ho Lee, Il Yong Jeong, Sun Choi, Seung Hoon Oh +2 more | 2014-03-04 |
| 8585889 | Process for manufacturing high quality naphthenic base oils | Chang Kuk Kim, Jee Sun Shin, Kyung Seok Noh, Ju Hyun Lee, Byoung In Lee +5 more | 2013-11-19 |