Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10307742 | Beta zeolite catalyst for preparation of mixture of BTEX (benzene, toluene, ethylbenzene, xylene) from poly aromatic hydrocarbons and preparation method thereof | Jeong-Rang Kim, Soon Yong Jeong, Chul Ung Kim, Tae Wan Kim, Youjin Lee +1 more | 2019-06-04 |
| 6709450 | Blood vessel graft and graft introducer | Sung-Gwon Kang | 2004-03-23 |