发明名称 |
Spectacle lens |
摘要 |
<p>A spectacle lens formed from a resin composition which consists essentially of (1) 100 parts by weight of a polycarbonate resin; (2) 0.05 to 0.5 part by weight of an ultraviolet absorber (A) having a maximum absorption in a wavelenght of 300 to 345 nm when measured in a chloroform solution; and (3) 0.01 to 0.3 part by weight of an ultraviolet absorber (B) having a maximum absorption in a wavelenght of 346 to 400 nm when measured in a chloroform solution. The spectacle lens has excellent impact resistance and transparency and high absorbing power for ultraviolet light having a specific wavelength.</p> |
申请公布号 |
EP0786675(A2) |
申请公布日期 |
1997.07.30 |
申请号 |
EP19970300271 |
申请日期 |
1997.01.17 |
申请人 |
TEIJIN CHEMICALS, LTD. |
发明人 |
YAMASHITA, HIRONORI;SHIMADA, TSUNEO |
分类号 |
C08K5/3475;G02B1/04;(IPC1-7):G02B1/04;C08L69/00 |
主分类号 |
C08K5/3475 |
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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