Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759895 | Polymerizable composition for optical material | Jongmin Shim, Junghwan Shin, Seung Mo Hong, Jung Hwan MYUNG | 2020-09-01 |
| 10723696 | Xylylene diisocyanate composition with improved stability and reactivity and optical lens using the same | Junghwan Shin, Seung Mo Hong, Sang Mook Kim | 2020-07-28 |
| 10723697 | Preparation method of polythiol for optical lenses by using metal sulfide | Junghwan Shin, Seung Mo Hong, Jongmin Shim, Jung Hwan MYUNG, Hyeon Myeong Seo +2 more | 2020-07-28 |
| 10703852 | Isocyanate composition for optical lenses and process for preparing the same | Junghwan Shin, Jongmin Shim | 2020-07-07 |