Arrowhead Research this week announced that it has received a notice of allowance from the US Patent and Trademark Office that it will be granted a patent on an application covering its dynamic polyconjugate delivery technology.

The patent application, No. 20120165393, is entitled “Peptide-based In Vivo siRNA Delivery System” and claims the targeted delivery of RNAi oligos to hepatocytes when administered along with co-targeted melittin delivery peptides.

The peptides, the patent application indicates, enable cellular membrane penetration.

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