Method of preventing aggregation of a lipid:nucleic acid...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes

Reexamination Certificate

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C435S458000, C436S829000, C514S04400A

Reexamination Certificate

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06858224

ABSTRACT:
Particle aggregation of lipid:nucleic acid complex particles is prevented by incorporating a non-cationic lipid into lipid:nucleic acid complex particles containing a cationic lipid and a nucleic acid polymer. The non-cationic lipid is a polyethylene glycol-based polymer.

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