# US 11,998,889 B2 · Multivariate and other metal-organic frameworks, and uses thereof

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,998,889 B2
- Document ID: US11998889B2
- Status: Granted
- Kind: B2
- Application number: 17/330,402
- Filed: 2021-05-25
- Published: 2021-09-16
- Granted: 2024-06-04
- Earliest claimed: 2018-11-26
- Assignees: The Regents of the University of California
- Applicants: The Regents of the University of California
- Inventors: Omar M. Yaghi; Nikita Hanikel; Hao Lyu
- Web page: https://patentgrep.com/patent/US11998889B2

## CPC

- B01J 20/226: {Coordination polymers, e.g. metal-organic frameworks [MOF], zeolitic imidazolate frameworks [ZIF] (preparation of metal complexes containing carboxylic acid moieties C07C51/418; MOF's per se C07F)}
- B01D 53/02: by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)}
- B01D 53/261: {by adsorption}
- C07F 5/069: {without C-aluminium linkages}
- E03B 3/28: from humid air (condensing of vapours in general B01D5/00; dehumidification of air for air-conditioning F24F3/14)
- B01D 2253/204: Metal organic frameworks (MOF's)
- C02F 1/14: using solar energy
- Y02A 20/00: Water conservation; Efficient water supply; Efficient water use
- Y02C 20/20: of methane
- Y02C 20/40: of CO2
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- E03B: INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER (drilling wells, obtaining fluids in general from wells E21B; pipe-line systems in general F17D)
- C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes)
- Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02C: CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]

## Abstract

Compositions comprising multivariate metal-organic frameworks and other single-linker metal-organic frameworks are used for containing and storing a gas or fluid or for water harvesting or water purification applications.

## Claims

### Claim 1

A metal-organic framework (MOF) composition, comprising repeating cores, wherein the cores comprise secondary building units connected to organic ligands,
wherein the secondary building units comprise one or more metals or metal-containing complexes,
wherein the organic ligands comprise one or more linear ditopic moieties, v-shaped ditopic moieties, trigonal tritopic moieties, square or rectangular tetratopic moieties, or tetrahedral tetratopic moieties, wherein the moieties comprise 5-membered or 6-membered rings substituted with at least two carboxylate groups, and
wherein the secondary building units are connected to the organic ligands through the oxygen atoms of the carboxylate groups in the organic ligands;
wherein the organic ligands comprise one or more moieties of the following:
wherein each secondary building unit comprises aluminum hydroxide.

### Claim 2 (depends on 1)

The composition of claim 1, wherein the secondary building units form 1D rod-like chains or distinct multinuclear metal clusters.

### Claim 3 (depends on 1)

The composition of claim 1, wherein the MOF is a single-linker metal-organic framework.

### Claim 4 (depends on 1)

The composition of claim 1, wherein each organic ligand comprises:

### Claim 5 (depends on 1)

The composition of claim 1, wherein the MOF is MOF-313: Al(OH)(2,5-PylDC).

### Claim 6 (depends on 1)

The composition of claim 1, wherein the MOF is MOF-314: Al(OH)(2,4-PylDC).

### Claim 7 (depends on 1)

The composition of claim 1, wherein the MOF is MOF-323: Al(OH)(2,4-TDC).

### Claim 8 (depends on 1)

The composition of claim 1, wherein the MOF is a multivariate metal-organic framework (MTV-MOF).

### Claim 9 (depends on 8)

The composition of claim 8, wherein the MOF is Al(OH)(2,5-FDC)w(2,4-TDC)v, wherein w+v=1.

### Claim 10 (depends on 8)

The composition of claim 8, wherein the MOF is Al(OH)(3,5-PynDC)m(IPA)n, wherein m+n=1.

### Claim 11 (depends on 1)

The composition of claim 1, wherein the secondary building units form 1D rod-like chains, and the organic ligands comprise one or more v-shaped ditopic moieties.

### Claim 12 (depends on 1)

The composition of claim 1, wherein the secondary building units are connected to the organic ligands through the oxygen atoms of the carboxylate groups in the organic ligands via a cis-edge-shared octahedra geometry or a trans-edge-shared octahedra geometry.

### Claim 13 (depends on 1)

A water sorption system, comprising a water adsorbent comprising a MOF composition of claim 1.

### Claim 14 (depends on 13)

The system of claim 13 configured as a heat pump, dehumidifier, adsorption refrigerator, solar cooling system, dryer, organic light emitting device or secondary battery device.

### Claim 15 (depends on 13)

The system of claim 13 configured as a water harvesting system.

### Claim 16 (depends on 15)

The system of claim 15, further comprising a condenser adjacent to the adsorbent layer.

### Claim 17 (depends on 15)

The system of claim 15, wherein the system is a passive water harvesting system.

### Claim 18 (depends on 1)

A method of using the MOF composition of claim 1, comprising containing in, storing in and/or extracting from the MOF a predetermined gas or fluid.

### Claim 19 (depends on 18)

The method of claim 18, wherein the gas or fluid is CO2, H2O, H2, CH4, C2H4, or C2H2, or any combinations thereof.

### Claim 20 (depends on 1)

A method of water harvesting, comprising:
adsorbing water from ambient atmosphere using a water-harvesting system, wherein the water-harvesting system comprises a MOF composition of claim 1;
desorbing vapor from the one or more MOFs; and
collecting water from the vapor using a condenser.