Metal-Organic Frameworks as Encapsulating Agents
US-2017166805-A1 · Jun 15, 2017 · US
Calcium L-lactate frameworks as naturally degradable carriers
US10766908B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10766908-B2 |
| Application number | US-201916697150-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 26, 2019 |
| Priority date | Jun 1, 2017 |
| Publication date | Sep 8, 2020 |
| Grant date | Sep 8, 2020 |
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Abstract
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Porous calcium lactate metal-organic frameworks (MOFs) comprise non-toxic metal ions—Ca(II) and non-toxic, renewable and cheap linkers—lactate and acetate. The MOFs are nontoxic and environmentally-benign, and can be used as degradable carriers.
First claim
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The invention claimed is: 1. A Ca 2+ -based metal-organic framework (MOF) composition comprising chelating L-lactate and acetate, the MOF of formula: [Ca 14 (L-lactate) (16-24) (Acetate) (12-4) ] or [Ca 6 (L-lactate) (2-4) (acetate) (10-8) ], wherein the lactate and acetate sum to 28 and 12, respectively. 2. The composition of claim 1 , wherein the MOF is of formula: [Ca 14 (L-lactate) (16-24) (acetate) (12-4) ], wherein the lactate and acetate sum to 28. 3. The composition of claim 1 , wherein the MOF is of formula: [Ca 14 (L-lactate) (18) (acetate) (10) ]. 4. The composition of claim 1 , wherein the MOF is of formula: [Ca 14 (L-lactate) (21) (acetate) (7) ]. 5. The composition of claim 1 , wherein the MOF is of formula: [Ca 6 (L-lactate) (2-4) (acetate) (10-8) ], wherein the lactate and acetate sum to 12. 6. The composition of claim 1 , wherein the MOF is of formula: [Ca 6 (L-lactate) (4) (acetate) (8) ]. 7. The composition of claim 1 , wherein the MOF is of formula: [Ca 6 (L-lactate) (2.5) (acetate) (9.5) ]. 8. The composition of claim 1 , wherein the MOF is of formula: [Ca 14 (L-lactate) (20) (acetate) (8) ]. 9. The composition of claim 1 , wherein the MOF is of formula: [Ca 6 (L-lactate) (3) (acetate) (9) ]. 10. The composition of claim 1 further comprising an agent encapsulated in the MOF, wherein the agent is a fumigant cis-1,3-dichloropropene. 11. The composition of claim 8 further comprising an agent encapsulated in the MOF, wherein the agent is a fumigant cis-1,3-dichloropropene. 12. The composition of claim 9 further comprising an agent encapsulated in the MOF, wherein the agent is a fumigant cis-1,3-dichloropropene. 13. The composition of claim 10 , wherein the MOF is of formula selected from: [Ca 14 (L-lactate) (18) (acetate) (10) ], [Ca 14 (L-lactate) (21) (acetate) (7) ], [Ca 6 (L-lactate) (4) (acetate) (8) ], [Ca 6 (L-lactate) (2.5) (acetate) (9.5) ], [Ca 14 (L-lactate) (20) (acetate) (8) ], and [Ca 6 (L-lactate) (3) (acetate) (9) ]. 14. The composition of claim 1 comprising a solid formulation of a volatile liquid fumigant cis-1,3-dichloropropene, wherein the fumigant is encapsulated in the MOF and the MOF is of formula: [Ca 14 (L-lactate) (20) (acetate) (8) ]. 15. The composition of claim 1 comprising a solid formulation of a volatile liquid fumigant cis-1,3-dichloropropene, wherein the fumigant is encapsulated in the MOF and the MOF is of formula: [Ca 6 (L-lactate) (3) (acetate) (9) ]. 16. A method of using the composition of claim 1 , the method comprising the steps of: (a) providing the composition in a non-toxic, biodegradable carrier, wherein the composition further comprises cis-1,3-dichloropropene encapsulated in the MOF, and (b) delivering the composition in the carrier by fumigation or spray. 17. A method of using the composition of claim 8 , the method comprising the steps of: (a) providing the composition in a non-toxic, biodegradable carrier, wherein the composition further comprises cis-1,3-dichloropropene encapsulated in the MOF, and (b) delivering the composition in the carrier by fumigation or spray. 18. A method of using the composition of claim 9 , the method comprising the steps of: (a) providing the composition in a non-toxic, biodegradable carrier, wherein the composition further comprises cis-1,3-dichloropropene encapsulated in the MOF, and (b) delivering the composition in the carrier by fumigation or spray.
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Frequently asked questions
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- What does patent US10766908B2 cover?
- Porous calcium lactate metal-organic frameworks (MOFs) comprise non-toxic metal ions—Ca(II) and non-toxic, renewable and cheap linkers—lactate and acetate. The MOFs are nontoxic and environmentally-benign, and can be used as degradable carriers.
- Who is the assignee on this patent?
- Univ California
- What technology area does this patent fall under?
- Primary CPC classification C07F3/003. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Sep 08 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).