Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035751 | Process for continuously recovering (meth)acrylic acid and apparatus for the process | Jong Hun Song, Sul Hee Yoo, Yoon Jae Min | 2018-07-31 |
| 9962625 | Process for continuously recovering (meth)acrylic acid and apparatus for the process | Jong Hun Song, Sul Hee Yoo | 2018-05-08 |
| 9902679 | Recovery method and recovery device for (meth) acrylic acid | Sul Hee Yoo, Jong Hun Song, Yoon Jae Min | 2018-02-27 |
| 9861908 | Process for continuous recovering (meth)acrylic acid and apparatus for the process | Jong Hun Song, Sul Hee Yoo, Yoon Jae Min | 2018-01-09 |
| 9718756 | Method for continuously recovering (meth)acrylic acid and apparatus for the method | Jong Hun Song, Sul Hee Yoo, Yoon Jae Min | 2017-08-01 |
| 9517997 | Process for continuous recovering (meth)acrylic acid and apparatus for the process | Jong Hun Song, Sul Hee Yoo | 2016-12-13 |
| 9005532 | Process for continuous recovering (meth) acrylic acid and apparatus for the process | Hyun Kyu Kim, Dong Hyun Cho, Jun Seok Ko | 2015-04-14 |
| 8772534 | Method of recovering (meth) acrylic acid ester | Hyun Kyu Kim, Jun Seok Ko, 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 | Hyun Kyu Kim, Dong Hyun Cho, Jun Seok Ko | 2014-05-06 |
| 8703995 | Method of preparing alkyl (meth)acrylate | Jun Seok Ko, Hyun Kyu Kim, Dong Hyun Cho | 2014-04-22 |
| 8246790 | Method for collecting (meth)acrylic acid and apparatus for collecting (meth)acrylic acid | Kyoung-Su Ha, Sung-Kyoo Park, Jun Seok Ko, Dong Hyun Woo, Young Bae Kim +1 more | 2012-08-21 |
| 8013185 | Method for preparing unsaturated aldehyde and/or unsaturated fatty acid using fixed-bed catalytic partial oxidation reactor | Jun Seok Ko, Kyoung-Su Ha, Sung-Kyoo Park, Sung Soo Park, Dong Hyun Woo +1 more | 2011-09-06 |
| 7517147 | Device and method for measuring temperature in a tubular fixed-bed reactor | Sung Soo Park, Kyoung-Su Ha, Jun Seok Ko, Seong-Pil Kang, Eun Ju Kim | 2009-04-14 |