发明授权
- 专利标题: Optical information recording medium using a squarylium compound
- 专利标题(中): 使用方酸盐化合物的光学信息记录介质
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申请号: US382391申请日: 1995-02-01
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公开(公告)号: US5660970A公开(公告)日: 1997-08-26
- 发明人: Ikuo Shimizu , Hiroshi Toyoda , Yukiyoshi Ito , Tsutomu Sato
- 申请人: Ikuo Shimizu , Hiroshi Toyoda , Yukiyoshi Ito , Tsutomu Sato
- 申请人地址: JPX Tokyo-to JPX Tokyo-to
- 专利权人: Kyowa Hakko Kogyo Co., Ltd.,Ricoh Company, Ltd.
- 当前专利权人: Kyowa Hakko Kogyo Co., Ltd.,Ricoh Company, Ltd.
- 当前专利权人地址: JPX Tokyo-to JPX Tokyo-to
- 优先权: JPX4-106399 19920424; JPX4-106400 19920424
- 主分类号: C07D401/08
- IPC分类号: C07D401/08 ; C07D487/04 ; C09B57/00 ; G11B7/24
摘要:
There are described a novel squarylium compound represented by the formula (I): ##STR1## and an optical information recording medium using the squarylium compound in the recording layer.
公开/授权文献
- US5014004A Sprung contact pin for testing testpieces 公开/授权日:1991-05-07