Invention Grant
- Patent Title: Photochromic material
- Patent Title (中): 光致变色材料
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Application No.: US13629975Application Date: 2012-09-28
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Publication No.: US08801976B2Publication Date: 2014-08-12
- Inventor: Dong Hoon Choi
- Applicant: Korea University Research and Business Foundation
- Applicant Address: KR Seoul
- Assignee: Korea University Research and Business Foundation
- Current Assignee: Korea University Research and Business Foundation
- Current Assignee Address: KR Seoul
- Agency: Workman Nydegger
- Main IPC: G02B5/23
- IPC: G02B5/23 ; C07D265/12 ; C07D265/00
Abstract:
Photochromic dyes are disclosed. A photochromic dye can include a first photo-reactive group and a second photo-reactive group. A first photochromic reaction can be induced in the first photo-reactive group of the photochromic dye by radiation having a first wavelength, and a second photochromic reaction can be induced in the second photo-reactive group of the photochromic dye by radiation having a second wavelength.
Public/Granted literature
- US20140191168A1 PHOTOCHROMIC MATERIAL Public/Granted day:2014-07-10
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