Sustained release and long residing ophthalmic formulation and the process of preparing the same
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United States of America Patent
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Jun 17, 2003
Grant Date -
May 30, 2002
app pub date -
Sep 18, 2001
filing date -
Sep 18, 2000
priority date (Note) -
Expired
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Abstract
The present invention relates to sustained release and long residing opthalmic formulation having thermosensitivity, mucoadhesiveness, hydro gel properties and small particle size. The said formulation comprises micelle solution of random block co-polymer having a hydrophobic component and a hydrophillic component of general formula --(X+Y+Z-).sub.m, and at least one hydrophobic drug with the block co-polymer solution. The invention also provides a process of preparing said formulation.
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