The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 2007
Filed:
Dec. 18, 2002
Jerome Gaucheron, Charray, FR;
Kim Wong, Vancouver, CA;
Pieter Cullis, Vancouver, CA;
The University of British Columbia, Vancouver, CA;
Abstract
A multivalent cationic lipid having a positively-charged head group including two quaternary amine groups and a hydrophobic portion including four hydrocarbon chains, which may be the same or different and which are optionally substituted alkyl and alkenyl groups, two alkyl chains attached to each of the two quaternary amine groups can be used for the introduction of polyanionic materials such a nucleic acid polymers into cells. Specific cationic lipids are N,N,N',N′-tetraoleyl-N-N′-dimethyl-1,3-propanediammonium chloride and N,N,N′,N′-tetraoleyl-N-N′-dimethyl-1,6-hexanediammonium chloride.