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United States of America Patent
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Feb 26, 2002
Issued Date -
N/A
app pub date -
Oct 28, 1999
filing date -
Apr 29, 1997
priority date (Note) -
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Abstract
This invention provides a physiologically tolerable light imaging contrast agent compound having a molecular weight in the range 500 to 5000000 and containing at least two chromophores having delocalized electron systems as well as at least one polyalkylene oxide (PAO) moiety having a molecular weight in the range 60 to 100000.
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