Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891515 | Modified polyisobutylene polymer for rubber compounding and rubber composition including same | Se Hyun LEE, Seung Bin Ryu, Myeong Seok Kim | 2024-02-06 |
| 11851555 | Polybutene derivative for rubber compounding and rubber composition including same | Myeong Seok Kim, Se Hyun LEE | 2023-12-26 |
| 11718691 | Modified polyisobutylene polymer for rubber compounding and rubber composition comprising same | Se Hyun LEE, Kyong Ju Na, Myeong Seok Kim | 2023-08-08 |
| 11214638 | Method for producing highly reactive polybutene | Myeong Seok Kim, Se Hyun LEE, Jin-Wook Lee, Jae-Hoon Lee | 2022-01-04 |
| 10202476 | Polybutene preparation method | Myeong Seok Kim, Hyung Jae SEO, Se Hyun LEE | 2019-02-12 |
| 10059786 | Apparatus and method for selectively preparing reactive polybutene and nonreactive polybutene | Myeong Seok Kim, Hyung Jae SEO, Se Hyun LEE | 2018-08-28 |
| 10035867 | Method for preparing polybutene by using catalyst containing N-propanol | Myeong Seok Kim, Hyung Jae SEO, Se Hyun LEE | 2018-07-31 |
| 9969630 | Method for treating waste water containing fluorine component | Myeong Seok Kim, Sang-Uk Jung, Myoung Gi Cho, Seong Mu Oh | 2018-05-15 |
| 9862784 | Apparatus and method for preparing polybutene having various molecular weights | Myeong Seok Kim, Hyung Jae SEO, Se Hyun LEE | 2018-01-09 |
| 9765162 | Apparatus and method for removing halogens generated during preparation of polybutene | Myeong Seok Kim, Hyung Jae SEO, Se Hyun LEE | 2017-09-19 |
| 9683060 | Method for preparing polybutene | Myeong Seok Kim, Hyung Jae SEO, Se Hyun LEE | 2017-06-20 |
| 9637576 | Device and method for re-circulating raw material used when manufacturing polybutene | Myeong Seok Kim, Kyoung-Tae Min | 2017-05-02 |
| 9637422 | Method for preparing high purity isobutene using glycolether | Myeong Seok Kim, Jae-Hoon Uhm, Hyoung-Jae Seo, Kyoung-Tae Min | 2017-05-02 |
| 8766015 | Method for preparing a glycol mono-tertiary-butylether compound | Myeong Seok Kim, Jae-Hoon Uhm, Hyoung-Jae Seo, Kyoung-Tae Min | 2014-07-01 |