Invention Grant
- Patent Title: Photocurable silicone composition
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Application No.: US17104187Application Date: 2020-11-25
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Publication No.: US11732135B2Publication Date: 2023-08-22
- Inventor: Gyuyoung Lee , Juyoung Yook
- Applicant: DOW SILICONES CORPORATION
- Applicant Address: US MI Midland
- Assignee: DOW SILICONES CORPORATION
- Current Assignee: DOW SILICONES CORPORATION
- Current Assignee Address: US MI Midland
- Agency: Warner Norcross + Judd LLP
- Main IPC: C08F2/46
- IPC: C08F2/46 ; C08F2/50 ; C08G61/04 ; C08L83/04 ; C08G77/20 ; C08G77/28 ; C08K5/00 ; C08J3/24 ; C08K3/36

Abstract:
A photocurable silicone composition is disclosed. The composition comprises 4,5,6,7-tetrachloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodospiro[2-benzofuran-3,9′-xanthen]-1-one as a photochromic pigment. The photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by disappearance of color.
Public/Granted literature
- US20210163743A1 PHOTOCURABLE SILICONE COMPOSITION Public/Granted day:2021-06-03
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