Inventor · Vancouver, BC, CA

Pieter R. Cullis

72Patents
38h-index
83Co-inventors
91Inventor score

Filing activity: Jul 26, 1985 → Apr 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5595756A Liposomal compositions for enhanced retention of bioactive agents Human Necessities 600 Expired
US5976567A Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transfer Human Necessities 342 Expired
US6815432B2 Methods for encapsulating plasmids in lipid bilayers Emerging Cross-Sectional Technologies 303 Expired
US5981501A Methods for encapsulating plasmids in lipid bilayers Emerging Cross-Sectional Technologies 265 Expired
US5885613A Bilayer stabilizing components and their use in forming programmable fusogenic liposomes Emerging Cross-Sectional Technologies 250 Expired
US5008050A Extrusion technique for producing unilamellar vesicles Emerging Cross-Sectional Technologies 239 Expired
US6534484B1 Methods for encapsulating plasmids in lipid bilayers Emerging Cross-Sectional Technologies 220 Expired
US5204112A Induction of asymmetry in vesicles Emerging Cross-Sectional Technologies 218 Expired
US7422902B1 Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transfer Emerging Cross-Sectional Technologies 212 Expired
US5077056A Encapsulation of antineoplastic agents in liposomes Emerging Cross-Sectional Technologies 204 Expired
US4880635A Dehydrated liposomes Human Necessities 199 Expired
US6858225B2 Lipid-encapsulated polyanionic nucleic acid Emerging Cross-Sectional Technologies 185 Expired
US6586410B1 Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transfer Emerging Cross-Sectional Technologies 185 Expired
US5399331A Method for protein-liposome coupling Human Necessities 162 Expired
US5552155A Fusogenic lipsomes and methods for making and using same Emerging Cross-Sectional Technologies 142 Expired
US4975282A Multilamellar liposomes having improved trapping efficiencies Human Necessities 126 Expired
US6287591A Charged therapeutic agents encapsulated in lipid particles containing four lipid components Emerging Cross-Sectional Technologies 125 Expired
US5059421A Preparation of targeted liposome systems of a defined size distribution Human Necessities 112 Expired
US6835395B1 Composition containing small multilamellar oligodeoxynucleotide-containing lipid vesicles Emerging Cross-Sectional Technologies 110 Expired
US5837282A Ionophore-mediated liposome loading Human Necessities 103 Expired
US5736155A Encapsulation of antineoplastic agents in liposomes Human Necessities 101 Expired
US7341738B2 Lipid-encapsulated polyanionic nucleic acid Emerging Cross-Sectional Technologies 87 Expired
US5785987A Method for loading lipid vesicles Human Necessities 83 Expired
US6759057B1 Methods and compositions using liposome-encapsulated non-steroidal anti-inflammatory drugs Emerging Cross-Sectional Technologies 80 Expired
US5795589A Liposomal antineoplastic agent compositions Emerging Cross-Sectional Technologies 80 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.