Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909047 | Method of preparing drilling fluid and lube base oil using biomass-derived fatty acid | Wan Seop Kwon, Jin Hee Ok, Yeon Ho Kim, Yong Woo Kim, Yong-Woon Kim | 2018-03-06 |
| 9879169 | Drilling oil and method of preparing the same | Ja Hyun Yang, Tae Jin Kim, Young Hwan Lee, Jong Chan LEE | 2018-01-30 |
| 9845280 | Method of producing estolide having high structural stability | Jong-Su Lee, Yong Woo Kim | 2017-12-19 |
| 9809670 | Nitrile rubber and method of preparing the same | Se Eun Lee, Dong Jo Ryu, Seon Hee Han, Jeong Heon Ahn, Jeong Hoon Jo | 2017-11-07 |
| 9745500 | Method for producing drilling fluid from biomass-derived oils | Jong-Su Lee, Yong Woo Kim | 2017-08-29 |
| 9714209 | Estolide compound and method for preparing the same | Yong Woo Kim, Wan Seop Kwon, Hak Mook Kim, Jin Hee Ok | 2017-07-25 |
| 9688936 | Lube base oil comprising X-type diester acid dimer and method for preparing the same | Yong Woo Kim | 2017-06-27 |
| 9637701 | Estolide compound containing ketone functional group and method for preparing the same | Yong Woo Kim, Wan Seop Kwon, Hak Mook Kim, Jin Hee Ok | 2017-05-02 |
| 9617499 | Method of producing estolide using linking agent | Jong-Su Lee, Yong Woo Kim | 2017-04-11 |
| 9187767 | Method for producing hydrocarbons from biomass or organic waste | Young Min Chung, Cher Hee Park, Young Seek Yoon, Hee Soo Kim, Seung Hoon Oh +2 more | 2015-11-17 |
| 9163096 | Method for producing nitrile rubber | Dong Jo Ryu, Se Eun Lee, Sin Gun Kang, Seon Hee Han, Jeong Heon Ahn +1 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 |
| 8679805 | Preparation method of transportation fuel or lubricating base oil using biomass | Young Min Chung, Ok Youn Kim, Young Seek Yoon, Seong Ho Lee, Hee Soo Kim +2 more | 2014-03-25 |
| 8518853 | Nanometer-sized copper-based catalyst, production method thereof, and alcohol production method using the same through direct hydrogenation of carboxylic acid | Hee Soo Kim, Seong Ho Lee, Young Seek Yoon, Seung Hoon Oh, Young Min Chung +1 more | 2013-08-27 |