- 专利标题: Optical article with gradient photochromism
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申请号: US15023086申请日: 2014-09-19
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公开(公告)号: US09678363B2公开(公告)日: 2017-06-13
- 发明人: Ker Chin Dave Ang , Andrew Pelayo , Francisco De Ayguavives
- 申请人: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- 申请人地址: FR Charenton-le-Pont
- 专利权人: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- 当前专利权人: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- 当前专利权人地址: FR Charenton-le-Pont
- 代理机构: Norton Rose Fulbright US LLP
- 优先权: EP13306288 20130920
- 国际申请: PCT/EP2014/070040 WO 20140919
- 国际公布: WO2015/040184 WO 20150326
- 主分类号: G02C7/10
- IPC分类号: G02C7/10 ; G02B1/11 ; G02B1/115 ; G02B5/28 ; C23C14/24 ; G02B1/111
摘要:
The present invention is drawn to an optical article comprising: (a) a photochromic substrate comprising at least one photochromic dye, and (b) an interference coating having a specific gradient thickness providing for a gradient reflectance. It also pertains to a process for making such an optical article.
公开/授权文献
- US20160231594A1 OPTICAL ARTICLE WITH GRADIENT PHOTOCHROMISM 公开/授权日:2016-08-11
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