发明授权
- 专利标题: Chromene compounds and photochromic materials
- 专利标题(中): 色烯化合物和光致变色材料
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申请号: US759704申请日: 1996-12-06
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公开(公告)号: US5808100A公开(公告)日: 1998-09-15
- 发明人: Junji Momoda , Tadashi Hara
- 申请人: Junji Momoda , Tadashi Hara
- 申请人地址: JPX Tokuyama
- 专利权人: Tokuyama Corporation
- 当前专利权人: Tokuyama Corporation
- 当前专利权人地址: JPX Tokuyama
- 优先权: JPX7-317991 19951206
- 主分类号: C07D405/04
- IPC分类号: C07D405/04 ; C07D407/04 ; C07D407/14 ; C07D409/04 ; C07D409/14 ; C07D413/04 ; C07D413/14 ; C07D417/04 ; C07D417/14 ; G03C1/73
摘要:
A photochromic compound which is initially colored less, exhibits excellent durability and features high color density and high color fading rate, and a photochromic material thereof. The photochromic compound basically has two aromatic heterocyclic groups or an aromatic heterocyclic group and a naphthyl group at the third position, and has a benzene ring that is condensed at the f-th position.
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