发明公开
- 专利标题: Ultraviolet blocking agents for contact lenses
- 专利标题(中): 用于接触镜的ULTRAVIOLET阻塞剂
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申请号: EP86305782申请日: 1986-07-28
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公开(公告)号: EP0221630A3公开(公告)日: 1988-07-27
- 发明人: Bambury, Ronald E. , Park, Joon Sup , Choo, Dong Joon
- 申请人: BAUSCH & LOMB INCORPORATED
- 专利权人: BAUSCH & LOMB INCORPORATED
- 当前专利权人: BAUSCH & LOMB INCORPORATED
- 优先权: US763947 19850808
- 主分类号: G02B05/22
- IPC分类号: G02B05/22 ; G02B01/04 ; C07D249/20 ; C08K05/34 ; C07D491/056
摘要:
Novel ultraviolet absorbing compounds of Formula below are useful in contact lenses for absorbing ultraviolet light:
where R is either Cl or OCH 3 .
where R is either Cl or OCH 3 .
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