Cyanine dye
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United States of America Patent
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Dec 15, 2009
Grant Date -
Aug 24, 2006
app pub date -
Jul 21, 2004
filing date -
Jul 22, 2003
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Abstract
An objective of this invention is to extend the range of choosing organic dye compounds as light-absorbing agent in a variety of fields of, for example, information storage, information display, solar energy generation, electric machinery apparatus, electric communicating apparatus, optical apparatus, cloth, building/bedding/decorating product, sanitary and health goods, and agricultural material by providing an organic dye compound which is superior in light-absorbing property, light resistance, and solubility in the near-infrared region: The objective is attainable by providing a cyanine dye that bears within the same molecule a plurality of cyanine dye skeletons bound to a divalent group(s) and an organometallic complex as counter ion, as well as substantially absorbing a light with a wavelength longer than 700 nm.
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