发明名称 |
Maleimide polymers and contact lenses from such polymers |
摘要 |
A maleimide polymer comprises units derived from a maleimide derivative represented by the following general formula (I): <IMAGE> (I) where R1 is a hydrogen atom or a methyl group, and R2 is an alkyl, alkenyl or aryl group, each of which groups is substituted by at least one organosiloxane group or fluorine atom, or comprises a copolymer of (1) a maleimide derivative represented by the formula (I) but in which R2 may be hydrogen or any optionally substituted aliphatic hydrocarbon or aryl group with (2) an alkyl or fluoroalkyl methacrylate or an organosiloxy styrene- or organosiloxy-(meth)acrylic acid derivative. The polymer material may be formulated into contact lenses high in oxygen permeability and having good mechanical properties.
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申请公布号 |
US5393803(A) |
申请公布日期 |
1995.02.28 |
申请号 |
US19930030609 |
申请日期 |
1993.03.12 |
申请人 |
KAWANO, TEIJI;YOKOTA, MITSURU |
发明人 |
KAWANO, TEIJI;YOKOTA, MITSURU |
分类号 |
C08F22/40;C08F22/36;C08F222/40;C08F230/08;C08F246/00;G02B1/04;G02C7/04;(IPC1-7):C08J3/00 |
主分类号 |
C08F22/40 |
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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