Process for the preparation of microspheres containing biologically active components
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United States of America Patent
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Mar 21, 2000
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N/A
app pub date -
Jan 13, 1999
filing date -
May 31, 1991
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Abstract
The present invention is directed to a microsphere for the controlled release of a biologically active molecule which comprises a biologically active molecule and an ester of hyaluronic acid or mixtures of said esters of hyaluronic acids, and wherein said biologically active molecule is surrounded by or adhered to said ester of hyaluronic acid, and wherein said microsphere has a diameter of between 1 .mu.m to 100 .mu.m.
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