发明授权
US5298608A Metal chelate of a monoazo compound and optical recording medium using it
失效
单偶氮化合物的金属螯合物和使用它的光记录介质
- 专利标题: Metal chelate of a monoazo compound and optical recording medium using it
- 专利标题(中): 单偶氮化合物的金属螯合物和使用它的光记录介质
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申请号: US809509申请日: 1992-01-16
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公开(公告)号: US5298608A公开(公告)日: 1994-03-29
- 发明人: Tetsuo Murayama , Shuichi Maeda , Chiyoko Fukabori , Takumi Nagao
- 申请人: Tetsuo Murayama , Shuichi Maeda , Chiyoko Fukabori , Takumi Nagao
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Kasei Corporation
- 当前专利权人: Mitsubishi Kasei Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX2-127178 19900517; JPX2-240917 19900911; JPX2-240918 19900911; JPX2-328425 19901128
- 主分类号: C09B29/033
- IPC分类号: C09B29/033 ; C09B45/00 ; C09B69/02 ; G11B7/246 ; G11B7/2467 ; G11B7/249 ; G11B7/2492 ; G11B7/2495 ; G11B7/253 ; G11B7/2534 ; G11B7/258 ; G11B7/2595 ; C09B29/042 ; C09B29/045 ; C09B29/09 ; B41M5/26
摘要:
A metal chelate compound comprising a monoazo compound of the following formula (I): ##STR1## (wherein A is a residue forming a hetero ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic group together with the two carbon atoms to which it is bonded, and X is a hydrogen atom or a cation), and a metal, and an optical recording medium comprising a substrate and a recording layer formed thereon for information to be written in and/or read out by laser, wherein said recording layer contains the metal chelate compound comprising a monoazo compound of the above formula (I) and a metal.
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