Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758458 | Method for purifying isopropyl alcohol | Jong Suh Park, Sung Kyu Lee, Joon Ho Shin | 2017-09-12 |
| 9738574 | Method for producing butadiene through oxidative dehydrogenation reaction | Jae Ik Lee, Jeong-Seok Lee, Mi-Kyung Kim, Dae Hyeon KIM | 2017-08-22 |
| 9573869 | Bisphenol A preparation apparatus and preparation method | Jong Suh Park, Joon Ho Shin, Tae Woo Kim, Se-Ho Park | 2017-02-21 |
| 9511306 | Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same | Sung Kyu Lee, Joon Ho Shin | 2016-12-06 |
| 9446332 | Apparatus for separating gas and liquid | Dae Young Shin, Eun Jung Joo, Dong Kwon Lee, Chang Hoe Heo | 2016-09-20 |
| 9364780 | Apparatus for separating gas and liquid | Dae Young Shin, Eun Jung Joo, Dong Kwon Lee, Chang Hoe Heo | 2016-06-14 |
| 9162210 | SCC with improvied mobility of material to be removed | Eun Jung Joo, Dae Young Shin | 2015-10-20 |
| 9018346 | Method for removing unreacted monomers in polymer using SCC | Eun Jung Joo, Dong Kwon Lee, Dae Young Shin, Chang Hoe Heo | 2015-04-28 |
| 8992737 | Trihalosilane refining method | Sung Kyu Lee, Joon Ho Shin, Sung Kyun Kim | 2015-03-31 |
| 8974642 | Trihalosilane refining method | Sung Kyu Lee, Joon Ho Shin, Sung Kyun Kim | 2015-03-10 |
| 8968521 | Trihalosilane refining method | Sung Kyu Lee, Joon Ho Shin, Sung Kyun Kim | 2015-03-03 |
| 8932434 | Dividing wall distillation column for producing high purity acrylic acid and fractional distillation method using the same | Sung Kyu Lee, Joon Ho Shin | 2015-01-13 |
| 8920735 | SCC equipped with foam removal unit | Eun Jung Joo, Dong Kwon Lee, Dae Young Shin | 2014-12-30 |
| 8894821 | Dividing wall column for preparing high-purity 2 ethylhexyl-acrylate and preparation method using same | Sung Kyu Lee, Joon Ho Shin, Sung Kyun Kim | 2014-11-25 |
| 8894823 | Method for manufacturing isopropyl alcohol | Sung Kyu Lee, Joon Ho Shin | 2014-11-25 |
| 8888964 | Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method | Sung Kyu Lee, Joon Ho Shin | 2014-11-18 |
| 8864948 | Dividing wall column for producing high-purity neopentyl glycol and manufacturing method using same | Sung Kyu Lee, Joon Ho Shin | 2014-10-21 |
| 8845864 | Dividing wall distillation column | Sung Kyu Lee, Joon Ho Shin | 2014-09-30 |
| 8771479 | Energy-saving distillation column assembly | Sung Kyu Lee, Joon Ho Shin | 2014-07-08 |
| 8764946 | Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same | Sung Kyu Lee, Joon Ho Shin | 2014-07-01 |
| 7947803 | Apparatus and method for recovering polymer | Sung-Don Hong, In Su Lee, Sung-Ho Chun, Seung Young Park, Sung-Cheol Yoon | 2011-05-24 |