A method for facilitating the transfer of nucleic acids into cells comprising preparing a mixed lipid dispersion of a cationic lipid with a co-lipid in a suitable carrier solvent. The lipid has a structure which includes a lipophilic group derived from cholesterol, a linker bond, a spacer arm including...http://www.google.es/patents/US5283185?utm_source=gb-gplus-sharePatente US5283185 - Method for delivering nucleic acids into cells
