Nanomaterials comprising a biodegradable feature
US-2022249694-A1 · Aug 11, 2022 · US
US12059477B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12059477-B2 |
| Application number | US-202217579115-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 19, 2022 |
| Priority date | Jan 20, 2021 |
| Publication date | Aug 13, 2024 |
| Grant date | Aug 13, 2024 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
The present disclosure describes compositions, preparations, nanoparticles (such as lipid nanoparticles), and/or nanomaterials and methods of their use.
Opening claim text (preview).
We claim: 1. A compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein: each of L 1 and L 1′ is independently a covalent bond, —C(O)—, or —OC(O)—; each of L 2 and L 2′ is independently a covalent bond, an optionally substituted bivalent saturated or unsaturated, straight or branched C1-C12 hydrocarbon chain, or each Cy A is independently an optionally substituted ring selected from phenylene or 3- to 7-membered saturated or partially unsaturated carbocyclene; each m is independently 0, 1, or 2; each of L 3 and L 3′ is independently a covalent bond, —O—, —C(O)O—, —OC(O)—, or —OC(O)O—; each of R 1 and R 1′ is independently an optionally substituted group selected from saturated or unsaturated, straight or branched C 1 -C 20 hydrocarbon chain wherein 1-3 methylene units are optionally and independently replaced with —O— or —NR—, a 3- to 7-membered saturated or partially unsaturated carbocyclic ring, 1-adamantyl, 2-adamantyl, sterolyl, phenyl, or each L 4 is independently a bivalent saturated or unsaturated, straight or branched C 1 -C 20 hydrocarbon chain; each A 1 and A 2 is independently an optionally substituted C 1 -C 20 aliphatic or -L 5 -R 5 , or A 1 and A 2 , together with their intervening atoms, may form an optionally substituted ring: wherein x is selected from 1 or 2; and # represents the point of attachment to L 4 ; each L 5 is independently a bivalent saturated or unsaturated, straight or branched C 1 -C 20 hydrocarbon chain, wherein 1-3 methylene units are optionally and independently replaced with —O— or —NR—; each R 5 is independently an optionally substituted group selected from a 6- to 10-membered aryl ring or a 3- to 8-membered carbocyclic ring; Y 1 is a covalent bond, —C(O)—, or —C(O)O—; Y 2 is a bivalent saturated or unsaturated, straight or branched C 1 -C 6 hydrocarbon chain, wherein 1-2 methylene units are optionally and independently replaced with cyclopropylene, —O—, or —NR—; Y 3 is an optionally substituted group selected from saturated or unsaturated, straight or branched C 1 -C 14 hydrocarbon chain, wherein 1-3 methylene units are optionally and independently replaced with —O— or —NR—, a 3- to 7-membered saturated or partially unsaturated carbocyclic ring, 1-adamantyl, 2-adamantyl, or phenyl; X 1 is a covalent bond, —O—, or —NR—; X 2 is an optionally substituted bivalent saturated or unsaturated, straight or branched C 1 -C 12 hydrocarbon chain, wherein 1-3 methylene units are optionally and independently replaced with —O—, —NR—, or -Cy B -; each Cy B is independently an optionally substituted ring selected from 3- to 7-membered saturated or partially unsaturated carbocyclene, phenylene, 3- to 7-membered heterocyclene having 1-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur, or 5- to 6-membered heteroarylene having 1-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; X 3 is hydrogen or an optionally substituted ring selected from 3- to 7-membered saturated or partially unsaturated carbocyclyl, phenyl, 3- to 7-membered heterocyclyl having 1-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur, or 5- to 6-membered heteroaryl having 1-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; and each R is independently hydrogen or an optionally substituted C 1 -C 6 aliphatic group. 2. The compound of claim 1 , wherein R 1 is 3. The compound of claim 1 , wherein each of A 1 and A 2 is independently selected from: 4. The compound of claim 1 , wherein R 1′ is selected from: 5. The compound of claim 1 , wherein —X 2 —X 3 is selected from: 6. The compound of claim 1 , wherein the compound is of Formula (II): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4. 7. The compound of claim 1 , wherein the compound is of Formula (IIA): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4; and n2 is 1, 2, 3, 4, 5, 6, or 7. 8. The compound of claim 1 , wherein the compound is of Formula (IIB): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4; and n2 is 1, 2, 3, 4, 5, 6, or 7. 9. The compound of claim 1 , wherein the compound is of Formula (IIC): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4; and n2 is 1, 2, 3, 4, 5, 6, or 7. 10. The compound of claim 1 , wherein the compound is of Formula (III): or a pharmaceutically acceptable salt thereof. 11. The compound of claim 1 , wherein the compound is of Formula (IIIA): or a pharmaceutically acceptable salt thereof. 12. The compound of claim 1 , wherein the compound is of Formula (IV): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4. 13. The compound of claim 1 , wherein the compound is of Formula (V): or a pharmaceutically acceptable salt thereof. 14. The compound of claim 1 , wherein the compound is of Formula (VA): or a pharmaceutically acceptable salt thereof. 15. The compound of claim 1 , wherein the compound is of Formula (VI): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4. 16. The compound of claim 1 , wherein the compounds is of Formula (VIA): or a pharmaceutically acceptable salt thereof, wherein n1 is 1, 2, 3, or 4. 17. The compound of claim 1 , wherein the compound is selected fro
containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids · CPC title
Natural deoxyribonucleic acids, i.e. containing only 2'-deoxyriboses attached to adenine, guanine, cytosine or thymine and having 3'-5' phosphodiester links · CPC title
Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links · CPC title
Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin · CPC title
for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.