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US 9,717,690 B2Granted
Cleavable lipids
AssigneeRaNA Therapeutics, Inc.
InventorsBraydon Charles Guild, Michael Heartlein, Frank DeRosa, Jerry Chi Zhang
Life of this patent
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Abstract
Disclosed herein are novel compounds, pharmaceutical compositions comprising such compounds and related methods of their use. The compounds described herein are useful, e.g., as liposomal delivery vehicles to facilitate the delivery of encapsulated polynucleotides to target cells and subsequent transfection of said target cells, and in certain embodiments are characterized as having one or more properties that afford such compounds advantages relative to other similarly classified lipids.
Claims36
A nanoparticle comprising a compound of the structure:
- and one or more polynucleotides;
- wherein
- R1 is selected from the group consisting of imidazole, guanidinium, imine, enamine, amino, and C1-C6 alkyl amino;
- R2 is
- R3 and R4 are each independently an optionally substituted, unsaturated C6-C20 alkyl;
- and
- n is zero or any positive integer.
4 more elements
Dependencies are inferred from the claim text.