发明授权
- 专利标题: Polyimide optical material
- 专利标题(中): 聚酰亚胺光学材料
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申请号: US140982申请日: 1993-10-25
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公开(公告)号: US5449741A公开(公告)日: 1995-09-12
- 发明人: Shinji Ando , Toru Matsuura , Shigekuni Sasaki , Fumio Yamamoto
- 申请人: Shinji Ando , Toru Matsuura , Shigekuni Sasaki , Fumio Yamamoto
- 申请人地址: JPX Tokyo
- 专利权人: Nippon Telegraph and Telephone Corporation
- 当前专利权人: Nippon Telegraph and Telephone Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX2-256843 19900928; JPX3-106552 19910412; JPX3-106554 19910412; JPX3-106557 19910412
- 主分类号: C07C63/68
- IPC分类号: C07C63/68 ; C07C65/24 ; C07C65/28 ; C07C255/54 ; C07D209/48 ; C07D487/04 ; C07D493/04 ; C08G73/10 ; C08G69/26
摘要:
A polyimide optical material, composed of a perfluorinated polyimide having a perfluorinated repeating unit represented by general formula (1) ##STR1## wherein R.sub.1 is a tetravalent perfluorinated organic group; and R.sub.2 is a divalent perfluorinated organic group.
公开/授权文献
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