Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8449725 | Apparatus for recovering styrene monomer and method of recovering styrene monomer using auxiliary solvent | Byung-tae Yoon, Seong Bo Kim, Sang-Bong Lee | 2013-05-28 |
| 7157404 | Catalyst for preparing hydrocarbon | Ki Won Jun, Jin-Soo Hwang, Kyu Wan Lee | 2007-01-02 |
| 5952540 | Process for preparing hydrocarbons | Kyu Wan Lee, Ki Won Jun, Pyoung Ho Choi, Soo Jae Lee | 1999-09-14 |
| 5157157 | Process for preparing 1-oxo-1,2,3,4,-tetrahydronaphthalene | Kyu-Woong Lee | 1992-10-20 |