Gas-containing microcapsules useful as contrast agents for diagnostic imaging
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United States of America Patent
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Aug 29, 2000
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N/A
app pub date -
Jan 12, 1998
filing date -
Mar 1, 1994
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Abstract
Gas-containing microcapsules useful as imaging agents, e.g. as ultrasound contrast agents, may be prepared by forming a dispersion of gas microbubbles in an aqueous medium comprising a solution or dispersion of a wall-forming material and subsequently inducing direct microencapsulation of these microbubbles by the wall-forming material.
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