发明名称 |
METHOD OF CREATING A VISIBLE MARK ON LENS USING A LEUCO DYE |
摘要 |
The present invention relates to a method for manufacturing a contact lens having a visible mark including the steps of (i) curing a hydrogel having reactive components including a leuco dye and a silicone component to form the contact lens and (ii) activating the leuco dye in at least a portion of said contact lens to change the color of the leuco dye to create the visible mark; wherein the leuco dye contains at least one methacrylate, acrylate, or styrene functional group, and the leuco dye polymerizes with the silicone component during the curing step. |
申请公布号 |
US2013083287(A1) |
申请公布日期 |
2013.04.04 |
申请号 |
US201213621885 |
申请日期 |
2012.09.18 |
申请人 |
LI YONGCHENG;MAGGIO STACEY V.;PEGRAM STEPHEN C.;JOHNSON & JOHNSON VISION CARE, INC. |
发明人 |
LI YONGCHENG;MAGGIO STACEY V.;PEGRAM STEPHEN C. |
分类号 |
G02C7/04;D06P5/02;D06P5/04 |
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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