Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9170018 | Top-feeding double-swirl type gasifier | Jin-Wook Lee, Seok Woo Chung, Young Don Yoo, Yongseung Yun, Gyoo Tae Kim +1 more | 2015-10-27 |
| 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 |
| 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 |
| 8728782 | Method of extracting butyric acid from a fermented liquid and chemically converting butyric acid into biofuel | Sin Young Kang, Cher Hee Park, Young Seek Yoon, In Ho Cho, Hyung Woong Ahn +6 more | 2014-05-20 |
| 8691076 | Process for manufacturing naphthenic base oils from effluences of fluidized catalytic cracking unit | Chang Kuk Kim, Jee Sun Shin, Ju Hyun Lee, Gyung Rok Kim, Yoon Mang Hwang | 2014-04-08 |
| 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 |
| 7189289 | Cleaning agent and method for cleaning heater tubes | Jeon Keun Oh, Wha-Sik Min, Gi Won Park | 2007-03-13 |
| 6485578 | Chemical cleaning process for removing fouling | Young-Kyoung Ahn, Sung Gu Oh, Ki Hyun Lee, Sung-Joong Kim | 2002-11-26 |
| 6187109 | Cleaning composition for removing fouling and a method for using the same | Young-Kyoung Ahn, Sung Gu Oh, Gi Won Park | 2001-02-13 |