Sustained-release composition of drugs encapsulated in...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills

Reexamination Certificate

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C424S489000, C424S499000, C424S502000, C536S001110, C514S002600, C514S012200, C514S013800, C514S014800, C514S023000, C514S951000, C530S300000, C530S303000, C530S311000, C530S312000, C530S313000, C530S314000, C530S315000, C530S316000, C530S317000, C530S324000, C530S325000, C530S326000, C530S350000, C530S387100, C530S388100, C530S399000

Reexamination Certificate

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10205954

ABSTRACT:
A sustained-release drug composition consisting essentially of microparticles of hyaluronic acid having a high molecular weight or an inorganic salt thereof and a protein or peptide drug encased in said microparticles, wherein the average size of said microparticles ranges from 0.1 to 40 μm.

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