发明授权
- 专利标题： Polymerizable yellow dye for manufacturing ophthalmic lens
- 专利标题（中）： 用于制造眼科镜片的可聚合黄色染料
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申请号： US13923382申请日： 2013-06-21
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公开(公告)号： US09085697B2公开(公告)日： 2015-07-21
- 发明人: Fan-Dan Jan , Hsia-Hao Chang
- 申请人： BenQ Materials Corporation
- 申请人地址： TW Taoyuan
- 专利权人： BENQ MATERIALS CORPORATION
- 当前专利权人： BENQ MATERIALS CORPORATION
- 当前专利权人地址： TW Taoyuan
- 代理机构： CKC & Partners Co., Ltd.
- 主分类号： C09B29/12
- IPC分类号： C09B29/12
摘要：
A polymerizable yellow dye which is used to block or lower the intensity of blue light transmitted through ophthalmic lenses and is represented by the following formula (I): wherein R1 is hydrogen or —NHCOCH3; R2 is hydrogen or C1-C3 alkyl groups; R3 and R4 are independently hydrogen or —OCO—R5, wherein R5 is isopropenyl group or a substituted isopropenyl group represented as —R6—(R7O)n—COC(CH3)CH2, R6 is NH or R7 is C1-C5 alkylene groups and n is an integer of 1-40.
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