发明名称 |
Abrasion and antifog-resistant optical element |
摘要 |
An optical element is provided having a durable abrasion-resistant, antifog coating applied to at least one surface thereof by coating an optical element comprised of an inorganic or organic transparent base with a transparent abrasion-resistant antifog coating consisting of a lightly cross-linked polyvinyl alcohol, the desired degree of cross-linking being obtained by utilizing a combination of zirconium nitrate and formaldehyde as cross-linking agents.
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申请公布号 |
US4064308(A) |
申请公布日期 |
1977.12.20 |
申请号 |
US19760717065 |
申请日期 |
1976.08.24 |
申请人 |
AMERICAN OPTICAL CORPORATION |
发明人 |
LAURIN, BERNARD L. |
分类号 |
C03C17/32;C08J7/04;C09J129/04;C09K3/18;G02B1/10;(IPC1-7):C08J7/12;G02C7/02;B32B17/06 |
主分类号 |
C03C17/32 |
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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