PARTICLES, AND PHOTOACOUSTIC IMAGING CONTRAST AGENT AND SLN CONTRAST AGENT INCLUDING THE PARTICLES
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United States of America Patent
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Issued Date -
Apr 18, 2013
app pub date -
Oct 15, 2012
filing date -
Oct 15, 2011
priority date (Note) -
Abandoned
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Abstract
Provided are particles where a hydrophilic coloring agent having an anionic functional group, such as ICG, hardly leaks from the particles. The particles include a coloring agent having an anionic functional group, such as ICG, ions of a polyvalent metal, such as iron ions (Fe2+ or Fe3+), zinc ions, and a polyol compound.
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