发明名称 |
Photochromic matrix compositions for use in ophthalmic lenses |
摘要 |
Photochromic compositions are disclosed herein. The compositions comprise mixtures of methacrylate monomers, which when polymerized, provide a polymer matrix that exhibits improved fading characteristics of incorporated photochromic dyes and good photochromic temperature stability. The compositions are particularly useful as a composite layer on polymer-based ophthalmic lenses.
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申请公布号 |
US6863844(B2) |
申请公布日期 |
2005.03.08 |
申请号 |
US20020232415 |
申请日期 |
2002.08.30 |
申请人 |
SIGNET ARMORLITE, INC. |
发明人 |
ENGARDIO THOMAS J.;SCHLUNT PAUL D. |
分类号 |
C08F222/10;(IPC1-7):G02B5/23;G02C7/10;C08K5/35 |
主分类号 |
C08F222/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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