Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457620 | System for producing phenol and bisphenol A including removal unit for removing methanol and acetone | Sang Beom Lee, Sung Kyu Lee, Joon Ho Shin, Sung Ho Lee, In Yong Jeong | 2019-10-29 |
| 10294177 | Method for preparing ethylene with improved energy efficiency | Sung Kyun Kim, Sung Kyu Lee, Tae Woo Kim, Joon Ho Shin, Yeon Uk Choo | 2019-05-21 |