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 lens having at least one visible mark including the steps of (i) manufacturing a lens containing a leuco dye 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.
申请公布号 CA2849981(A1) 申请公布日期 2013.04.04
申请号 CA20122849981 申请日期 2012.09.25
申请人 JOHNSON & JOHNSON VISION CARE, INC. 发明人 LI, YONGCHENG;MAGGIO, STACEY V.;PEGRAM, STEPHEN C.
分类号 G02C7/02;B29D11/00;D06P1/00 主分类号 G02C7/02
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