Gas-filled microspheres with fluorine-containing shells
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United States of America Patent
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Oct 8, 1996
Grant Date -
N/A
app pub date -
Aug 2, 1994
filing date -
Aug 2, 1994
priority date (Note) -
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Abstract
Improved ultrasonic imaging contrast agents are provided which are comprised of an aqueous suspension of microspheres comprising at least one gas, preferably a perfluorocarbon, encapsulated by elastic shells of a biocompatible, fluorine-containing amphiphilic material, processes for making the microspheres, and methods of diagnostic imaging using the improved contrast agents.
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