Polymer microspheres/nanospheres and encapsulating therapeutic proteins therein
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United States of America Patent
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Dec 6, 2011
Grant Date -
Sep 16, 2010
app pub date -
Mar 24, 2010
filing date -
Dec 29, 2000
priority date (Note) -
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Abstract
This invention is an improved process to formulate polymeric microspheres/nanospheres and encapsulate therapeutic proteins or other useful substances, and a polymer sphere apparatus. The invention is also methods of purifying protein-containing-polymeric-microspheres from unused polymer, and an apparatus therefore.
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