Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10202476 | Polybutene preparation method | Myeong Seok Kim, Min Sup Park, Se Hyun LEE | 2019-02-12 |
| 10059786 | Apparatus and method for selectively preparing reactive polybutene and nonreactive polybutene | Myeong Seok Kim, Min Sup Park, Se Hyun LEE | 2018-08-28 |
| 10035867 | Method for preparing polybutene by using catalyst containing N-propanol | Myeong Seok Kim, Min Sup Park, Se Hyun LEE | 2018-07-31 |
| 9862784 | Apparatus and method for preparing polybutene having various molecular weights | Myeong Seok Kim, Min Sup Park, Se Hyun LEE | 2018-01-09 |
| 9765162 | Apparatus and method for removing halogens generated during preparation of polybutene | Myeong Seok Kim, Min Sup Park, Se Hyun LEE | 2017-09-19 |
| 9683060 | Method for preparing polybutene | Myeong Seok Kim, Min Sup Park, Se Hyun LEE | 2017-06-20 |