发明名称 |
Photochromic article and method of preparation |
摘要 |
A process for manufacture of a photochromic polymeric article comprising: providing a fluid polymerisable composition; subjecting the fluid polymerisable composition to a first curing step to provide a solid article of intermediate hardness; contacting the solid article of intermediate hardness with a photochromic substance; and subjecting the solid article of intermediate hardness to a further curing step to increase the hardness and provide a polymeric article imbibed with the photochromic substance
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申请公布号 |
US2003043447(A1) |
申请公布日期 |
2003.03.06 |
申请号 |
US20020239219 |
申请日期 |
2002.09.20 |
申请人 |
TOH HUAN KIAK;LEWIS DAVID ANDREW;BUBNER RAYMOND K.;GIESLINSKI BOHDAN GRZEGORZ;CHEN FANG |
发明人 |
TOH HUAN KIAK;LEWIS DAVID ANDREW;BUBNER RAYMOND K.;GIESLINSKI BOHDAN GRZEGORZ;CHEN FANG |
分类号 |
C08F2/00;C08F2/44;C08F2/46;C08F2/50;C08F4/40;C08F18/00;C08F20/00;C08J3/24;G02B5/23;(IPC1-7):G02F1/03;G02F1/07 |
主分类号 |
C08F2/00 |
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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