Title:
XANTHENE DERIVATIVE COMPOUND HAVING HIGH REFRACTIVE INDEX, AND (CO)POLYMER INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2024/071980
Kind Code:
A1
Abstract:
The present invention pertains to: a xanthene derivative compound having a high refractive index; and a method for producing same. More specifically, the present invention pertains to: a high refractive index monomer that has a xanthene-based composite cardo structure and can be used in optical resins requiring a refractive index of at least 1.7; a (co)polymer prepared therefrom; and an optical lens. Using the xanthene-based composite cardo structure of the present invention minimizes molecular chain fluidity, and thus the xanthene-based composite cardo structure can be used in the production of optical resins having a high glass transition temperature and excellent thermal stability.
More Like This:
Inventors:
KIM YOUNCHUL (KR)
CHOI JU YOUNG (KR)
SONG CHANGSIK (KR)
HEGAZY HEND A (KR)
CHOI JU YOUNG (KR)
SONG CHANGSIK (KR)
HEGAZY HEND A (KR)
Application Number:
PCT/KR2023/014801
Publication Date:
April 04, 2024
Filing Date:
September 26, 2023
Export Citation:
Assignee:
RESEARCH ＆ BUSINESS FOUNDATION SUNGKYUNKWAN UNIV (KR)
International Classes:
C07D335/04; C07D311/96; C08G18/32; C08G18/38; C08G18/72; C08G64/06; C08G64/08; C08G64/22; G02B1/04
Foreign References:
| CN114957654A | 2022-08-30 | |||
| KR20220008212A | 2022-01-20 | |||
| KR20210082300A | 2021-07-05 | |||
| CN103193755A | 2013-07-10 | |||
| KR20200034523A | 2020-03-31 |
Attorney, Agent or Firm:
KONG, Byung Wook (KR)
Download PDF: