发明名称 |
lentes de contato dotadas de marcas de identificaÇço. |
摘要 |
This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark comprises a depressed region having a cross-section which comprises at least two intersecting concave surfaces at the bottom of said depressed region. <IMAGE> |
申请公布号 |
BR9901218(B1) |
申请公布日期 |
2011.07.26 |
申请号 |
BR19999901218 |
申请日期 |
1999.03.30 |
申请人 |
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发明人 |
JONGLIANG WU;KHALED A. CHEHAB;CARL G. CROWE;TIMOTHY R. POLING;RICHARD J. NASON;JON SCOTT WALKER;SUSAN-WENDY B. NEADLE;PATRICIA ANNE HUTFLES;W. ANTHONY MARTIN |
分类号 |
G02C7/04;B29D11/00;G02C7/02 |
主分类号 |
G02C7/04 |
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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