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US 5574018

Using Vitamin B12 to Help Proteins Survive the Human Digestive System

A method for attaching therapeutic proteins to Vitamin B12 so they can be absorbed through the gut instead of being injected.

Statusactive

Granted1996

Expires2014

Claims27

Forward citations46

Prior art9

AssigneeAmgen Inc

InventorsAlan D. Habberfield, Colin G. Pitt +1

Patent B

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