Active agent delivery systems and methods for protecting and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S002600, C514S018700, C514S019300, C514S020800, C530S331000, C530S345000, C530S409000, C546S045000

Reexamination Certificate

active

07060708

ABSTRACT:
The present invention relates to active agent delivery systems and more specifically to compositions that comprise amino acids, as single amino acids or peptides, covalently attached to active agents and methods for administering conjugated active agent compositions.

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