Metal chelate compound and optical recording medium using it

C - Chemistry – Metallurgy – 09 – B

Patent

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C09B 45/14 (2006.01) C09B 29/033 (2006.01) C09B 45/00 (2006.01) C09B 69/02 (2006.01) G11B 7/24 (2006.01) G11B 7/249 (2006.01)

Patent

CA 2063611

- 124 - ABSTRACT A metal chelate compound comprising a monoazo compound of the following formula (I): Image (I) (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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