Biologically active conjugate of a biopolymer and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C424S484000, C424S485000, C424S486000, C424S487000, C424S488000, C424S094600, C424S094610, C435S177000, C435S178000, C435S180000, C435S181000, C436S528000, C436S532000, C530S408000, C530S812000, C530S816000

Reexamination Certificate

active

07417021

ABSTRACT:
A biologically active conjugate is disclosed comprising a biopolymer and a therapeutic agent joined by a disulfide bond. The conjugate, when formulated in a pharmaceutical composition with a suitable carrier, has improved in vivo stability and activity, and can be targeted to a variety of cells, tissues and organs.

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