发明名称 |
Contact lens having improved dimensional stability |
摘要 |
A contact lens and a contact lens blank having increased dimensional stability are constructed from a copolymer of 2,3-dihydroxypropyl methacrylate and 2-hydroxyethyl methacrylate, wherein the copolymer of 2,3-dihydroxypropyl methacrylate and 2-hydroxyethyl methacrylate has either an absolute water balance ratio greater than 8 or a relative water balance ratio greater than 2 relative to a polymer of 2-hydroxyethyl methacrylate.
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申请公布号 |
US2002058723(A1) |
申请公布日期 |
2002.05.16 |
申请号 |
US20010875046 |
申请日期 |
2001.06.07 |
申请人 |
BENZ RESEARCH AND DEVELOPMENT CORPORATION |
发明人 |
BENZ PATRICK H.;ORS JOSE A. |
分类号 |
C08F220/28;G02B1/04;(IPC1-7):G02C7/04;C08K3/00 |
主分类号 |
C08F220/28 |
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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