US Patent Application No: 2008/0254,251

Number of patents in Portfolio can not be more than 2000

OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF RECORDING AND REPRODUCING INFORMATION

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Abstract

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The optical information recording medium comprises a recording layer on a surface of a support. The surface of the support has pregrooves with a track pitch ranging from 50 to 500 nm, and the recording layer comprises a phthalocyanine derivative denoted by general formula (I) and a compound denoted by general formula (II). In general formula (I), R.sup.1 denotes a substituent, n denotes an integer ranging from 1 to 16, and M denotes a metal atom optionally comprising a ligand, a metal oxide, or two hydrogen atoms. In general formula (II), R.sup.2 denotes a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms or a substituted or unsubstituted aryl group having 4 to 24 carbon atoms, and m is an integer ranging from 1 to 4.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FUJIFILM CORPORATIONTOKYO12659

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kakuta, Takeshi Chiba, JP 53 128
Watanabe, Tetsuya Honjyou, JP 245 1269

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