OPTICAL RECORDING MEDIUM, AZO-TYPE IRON CHELATE COLORING MATTER, AND AZO-TYPE METAL CHELATE COLORING MATTER ADDITIVE
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United States of America Patent
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Issued Date -
Nov 26, 2009
app pub date -
Aug 10, 2006
filing date -
Aug 16, 2005
priority date (Note) -
Abandoned
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Abstract
An optical recording medium, which makes information be recorded and read with light having wavelength of 700 nm or shorter, with excellent light resistance, high-speed recording and high-density recording is provided..
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