Inventor · Vancouver, BC, CA

Steven M. Ansell

34Patents
20h-index
34Co-inventors
85Inventor score

Filing activity: May 16, 1995 → Mar 31, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8158601B2 Lipid formulation Emerging Cross-Sectional Technologies 293 Active
US6858225B2 Lipid-encapsulated polyanionic nucleic acid Emerging Cross-Sectional Technologies 185 Expired
US6287591A Charged therapeutic agents encapsulated in lipid particles containing four lipid components Emerging Cross-Sectional Technologies 125 Expired
US8802644B2 Lipid formulation Emerging Cross-Sectional Technologies 110 Active
US6835395B1 Composition containing small multilamellar oligodeoxynucleotide-containing lipid vesicles Emerging Cross-Sectional Technologies 110 Expired
US5753613A Compositions for the introduction of polyanionic materials into cells Chemistry; Metallurgy 101 Expired
US9394234B2 Lipid formulations Emerging Cross-Sectional Technologies 99 Active
US9186325B2 Lipids and compositions for the delivery of therapeutics Emerging Cross-Sectional Technologies 89 Active
US7341738B2 Lipid-encapsulated polyanionic nucleic acid Emerging Cross-Sectional Technologies 87 Expired
US7811602B2 Liposomal formulations comprising dihydrosphingomyelin and methods of use thereof Human Necessities 64 Active
US8021686B2 Lipid-encapsulated polyanionic nucleic acid Emerging Cross-Sectional Technologies 58 Active
US6320017A Polyamide oligomers Chemistry; Metallurgy 57 Expired
US10166298B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 56 Active
US5785992A Compositions for the introduction of polyanionic materials into cells Human Necessities 48 Expired
US9738593B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 47 Active
US8486924B2 Taxane delivery system Chemistry; Metallurgy 44 Active
US9737619B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 42 Active
US10221127B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 36 Active
US10723692B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 31 Active
US6027726A Glycosylated protein-liposome conjugates and methods for their preparation Human Necessities 27 Expired
US11040112B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 20 Active
US9463247B2 Branched alkyl and cycloalkyl terminated biodegradable lipids for the delivery of active agents Chemistry; Metallurgy 16 Active
US11168051B2 Lipids and lipid nanoparticle formulations for delivery of nucleic acids Chemistry; Metallurgy 13 Active
US11357856B2 Lipids for delivery of active agents Human Necessities 10 Active
US6586559B2 Polyamide oligomers Chemistry; Metallurgy 7 Expired

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