Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049437 | Diisocyanate composition, preparation method thereof and optical material using same | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG, Myung-Ok Kyun, Jooyoung JUNG | 2024-07-30 |
| 11987541 | Method of preparing diisocyanate composition | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG | 2024-05-21 |
| 11964931 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jung Hwan MYUNG, Hyuk Hee HAN | 2024-04-23 |
| 11958937 | Polymerizable composition and optical material produced therefrom | Seung Mo Hong, Jung Hwan MYUNG, Hyuk Hee HAN, Junghwan Shin | 2024-04-16 |
| 11932591 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2024-03-19 |
| 11760719 | Diamine composition, and method of preparing diisocyanate composition | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2023-09-19 |
| 11731936 | Diisocyanate composition, preparation method thereof and optical material using same | Jaeyoung Pai, Jung Hwan MYUNG, Hyuk Hee HAN, Jooyoung JUNG, Myung-Ok Kyun | 2023-08-22 |
| 11702384 | Diisocyanate composition for optical lens and preparation method thereof | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG | 2023-07-18 |
| 11634383 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jung Hwan MYUNG, Hyuk Hee HAN | 2023-04-25 |
| 11578038 | Method for preparing polythiol composition | Jaeyoung Pai, Seung Mo Hong, Hyeon Myeong Seo, Junghwan Shin, Jung Hwan MYUNG +1 more | 2023-02-14 |
| 11518737 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2022-12-06 |
| 11453643 | Preparation method for polythiol having improved storage stability | Seung Mo Hong, Hyeon Myeong Seo, Junghwan Shin | 2022-09-27 |
| 11339121 | Method of preparing diisocyanate composition | Jaeyoung Pai, Hyuk Hee HAN, Jung Hwan MYUNG | 2022-05-24 |
| 9745437 | Method for the preparation of microcellular polyurethane elastomers | Jae Soo Yang, Hee Young Choi, Joon Mo Lee | 2017-08-29 |