Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215042 | Wastewater purification method | Suk Yung Oh, Yong Cho, Jung Su Han, Nam Young Yoon, Sung Hwan Kim | 2025-02-04 |
| 12209149 | Continuous preparation system of conjugated diene-based polymer | Tae Chul Lee, Su Hwa Kim, No Ma Kim | 2025-01-28 |
| 11970558 | Method of recovering solvent and solvent recovery apparatus | Suk Yung Oh, Kwan Sik Kim, Joon Ho Shin, Byeong Gil LYU, Se Kyung Lee | 2024-04-30 |
| 11541327 | Method of separating organic solvent from mixed solution containing the organic solvent | Hoi In Jeong, Jeong-Seok Lee, Dong-Min Kim, Su Ji Yoon | 2023-01-03 |
| 11370858 | Method of preparing conjugated diene-based polymer and apparatus for preparing conjugated diene-based polymer | Hoi In Jeong, Woo Sung Hwang, Dong-Min Kim, Jeong-Seok Lee | 2022-06-28 |
| 11299565 | Method of preparing conjugated diene-based polymer and apparatus for preparing conjugated diene-based polymer | Hoi In Jeong, Woo Sung Hwang, Dong-Min Kim, Jeong-Seok Lee | 2022-04-12 |
| 10920004 | Method for preparing modified conjugated diene-based polymer | Jin Young Kim, No Ma Kim, Yu Jin Kim, Ki Seok Son, Hae Sung Sohn +4 more | 2021-02-16 |
| 10428007 | Method for producing unsaturated aldehyde and unsaturated carboxylic acid | Byung Yul Choi, Hyun Jong Shin, Junghoon Chang, Young Hyun Choe, Sang-hun Jeon | 2019-10-01 |
| 10259897 | Method of preparing polybutadiene | Woo Sung Hwang, Hoi In Jeong, Jong Ku Lee | 2019-04-16 |
| 10246534 | Apparatus for preparing polybutadiene | Woo Sung Hwang, Hoi In Jeong, Jong Ku Lee | 2019-04-02 |
| 9650460 | Elastic diene terpolymer and preparation method thereof | Sung Ho Park, Sung-Cheol Yoon, Sun Keun Kim, Sang Eun Park, Soo Young Choi | 2017-05-16 |
| 9637579 | Elastic terpolymer including diene group and preparation method thereof | Sung-Cheol Yoon, Sung Ho Park, Soo Young Choi | 2017-05-02 |
| 9611349 | Method of preparing elastic terpolymer | Sung-Cheol Yoon, Sung Ho Park, Soo Young Choi | 2017-04-04 |
| 9493593 | Elastic diene terpolymer and preparation method thereof | Sun Keun Kim, Sung Ho Park, Sung-Cheol Yoon, Soo Young Choi | 2016-11-15 |
| 9458276 | Elastic terpolymer and preparation method thereof | Sung-Cheol Yoon, Sung Ho Park, Soo Young Choi | 2016-10-04 |
| 9428600 | Elastic diene terpolymer and preparation method thereof | Sung Ho Park, Sung-Cheol Yoon, Sun Keun Kim, Sang Eun Park, Soo Young Choi | 2016-08-30 |
| 9410008 | Elastic terpolymer including diene group and preparation method thereof | Sung-Cheol Yoon, Sung Ho Park, Soo Young Choi | 2016-08-09 |
| 9382360 | Elastic terpolymer and preparation method thereof | Sung-Cheol Yoon, Sung Ho Park, Soo Young Choi | 2016-07-05 |
| 9005532 | Process for continuous recovering (meth) acrylic acid and apparatus for the process | Se Won Baek, Hyun Kyu Kim, Dong Hyun Cho | 2015-04-14 |
| 8772534 | Method of recovering (meth) acrylic acid ester | Se Won Baek, Hyun Kyu Kim, Kyoung-Su Ha, Sung-Koo Park, Dong Hyun Woo | 2014-07-08 |
| 8716525 | Process for continuous recovering (meth) acrylic acid and apparatus for the process | Se Won Baek, Hyun Kyu Kim, Dong Hyun Cho | 2014-05-06 |
| 8703995 | Method of preparing alkyl (meth)acrylate | Hyun Kyu Kim, Se Won Baek, Dong Hyun Cho | 2014-04-22 |
| 8308913 | Apparatus for recovering acrylic acid | Seong-Pil Kang, Seok Kwan Choi, Kyoung-Su Ha, Boo Gon Woo, Young Bae Kim | 2012-11-13 |
| 8246790 | Method for collecting (meth)acrylic acid and apparatus for collecting (meth)acrylic acid | Se Won Baek, Kyoung-Su Ha, Sung-Kyoo Park, Dong Hyun Woo, Young Bae Kim +1 more | 2012-08-21 |
| 8142742 | Method of producing unsaturated acid from olefin | Boo Gon Woo, Kyoung-Su Ha, Seong-Pil Kang, Seok Hwan Choi, Young Bae Kim | 2012-03-27 |