| 发明名称 |
Non-hydrous soft contact lens and process for producing the same. |
| 摘要 |
<p>A non-hydrous soft contact lens comprising a copolymer comprising, as monomer units, 49.9 to 95 mole % of an acrylate represented by Formula (I) shown below, 0 to 10 mole % of acrylic acid or the specified ester thereof, 4.9 to 50 mole % of a methacrylate represented by Formula (II) shown below, and 0.1 to 10 mole % of a crosslinking monomer.
<Chemistry id="chema01" num="0001"><Image id="ia01" he="12" wi="87" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>1</Sup> is at least one selected from the group consisting of a particular straight chain fluoroalkyl group and a particular straight chain alkyl group.
<Chemistry id="chema02" num="0002"><Image id="ia02" he="15" wi="88" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>2</Sup> is a particular straight chain fluoroalkyl group.</p><p>The present soft contact lens requires no sterilization by boiling, and has good resistance to stain, good oxygen premea- bility, good elastic recovery and good shape stability.</p><p>A process for producing the above non-hydrous soft contact lens to treatment(s) of esterification and/or transesterification, is also disclosed.</p> |
| 申请公布号 |
EP0228193(A1) |
申请公布日期 |
1987.07.08 |
| 申请号 |
EP19860309363 |
申请日期 |
1986.12.01 |
| 申请人 |
JAPAN SYNTHETIC RUBBER CO., LTD.;RICKY CONTACT LENS RESEARCH INSTITUTE INC. |
发明人 |
ITOH, TETSUO;SATOH, NOBORU;TAKAHASHI, KAZUHIKO;SUMINOE, TARO;SHIMIZU, TAKAO |
| 分类号 |
C08F220/28;G02C7/04;C08F20/22;C08F220/22;G02B1/04;(IPC1-7):G02B1/04 |
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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