发明授权
- 专利标题： Contact lens
- 专利标题（中）： 隐形眼镜
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申请号： US689885申请日： 1991-05-29
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公开(公告)号： US5194542A公开(公告)日： 1993-03-16
- 发明人: Hidetoshi Iwamoto , Yuuichi Yokoyama , Makoto Tsuchiya
- 申请人： Hidetoshi Iwamoto , Yuuichi Yokoyama , Makoto Tsuchiya
- 申请人地址： JPX Tokyo
- 专利权人： Hoya Corporation
- 当前专利权人： Hoya Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-256521 19890930
- 主分类号： G02B1/04
- IPC分类号： G02B1/04
摘要：
This invention relates to a contact lens formed of a copolymer obtained by copolymerizing a monomer mixture containing, as essential components, perfluorooctylethyloxyalkylene (meth)acrylate, siloxanyl (meth)acrylate, alkyl (meth)acrylate, a hydrophilic monomer and a crosslinking agent, and said contact is excellent in all of oxygen permeability, hardness and water wettability and is useful in practical use.
公开/授权文献
- US4909380A Low backline pressure chain 公开/授权日：1990-03-20
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