Barium Sulfate Product
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Dec 11, 2006
filing date -
Dec 14, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention generally relates to a barium sulfate product particularly useful as an X-ray contrast agent in preparations administered for examination of the gastrointestinal tract and to processes for making the product from naturally occurring barite ore containing barium sulfate crystals and gangue materials. The process includes treating or contacting the barium sulfate-containing particles obtained from barite ore with a fluidizing agent in a liquid medium to remove gangue materials present therein.
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