Bile-acid conjugates for providing sustained systemic...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai

Reexamination Certificate

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C514S182000, C540S107000, C540S108000, C552S549000, C552S551000

Reexamination Certificate

active

06984634

ABSTRACT:
This invention is directed to compounds that provide for sustained systemic concentrations of therapeutic or prophylactic agents following administration to animals. This invention is also directed to pharmaceutical compositions including and methods using such compounds.

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