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43 results about "Porous monolith" patented technology
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Aerosol delivery device with improved fluid transport
ActiveUS20170188626A1Suitable for useTobacco treatmentTobacco devicesFluid transportAerosol delivery
The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is stored in and / or transported to a heater by a porous monolith, which can be, for example, a porous glass or a porous ceramic. A heater can be in a heating arrangement with an external portion of the porous monolith or can be substantially internal to the porous monolith.
Owner:RAI STRATEGIC HLDG INC
Superficially porous materials comprising a substantially nonporous core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations
InactiveUS20130112605A1Prevent fine generationInhibit aggregationIon-exchanger regenerationPretreated surfacesChromatographic separationHybrid material
Novel chromatographic materials for chromatographic separations, columns, kits, and methods for preparation and separations with a superficially porous material comprising a substantially nonporous core and one or more layers of a porous shell material surrounding the core. The material of the invention is comprised of superficially porous particles and a narrow particle size distrution. The material of the invention is comprised of a superficially porous monolith, the substantially nonporous core material is silica; silica coated with an inorganic / organic hybrid surrounding material; a magnetic core material; a magnetic core material coated with silica; a high thermal conductivity core material; a high thermal conductivity core material coated with silica; a composite material; an inorganic / organic hybrid surrounding material; a composite material coated with silica; a magnetic core material coated with an inorganic / organic hybrid surrounding material; or a high thermal conductivity core material coated with an inorganic / organic hybrid surrounding material.
Owner:WATERS TECH CORP
Aerosol delivery device with a unitary reservoir and liquid transport element comprising a porous monolith and related method
The present disclosure relates to aerosol delivery devices, elements of such devices, and methods for producing vapor. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is contained in and transported to a heating element by a unitary reservoir and liquid transport element. The unitary reservoir and liquid transport element may include a porous monolith.
Owner:RAI STRATEGIC HLDG INC
Aerosol delivery device with a liquid transport element comprising a porous monolith and related method
The present disclosure relates to aerosol delivery devices, methods of producing such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is contained in a reservoir and transported to a heating element by a liquid transport element. The liquid transport element may include a porous monolith.
Owner:RAI STRATEGIC HLDG INC
Impregnated Monoliths
InactiveUS20080236389A1Lower overall flow resistanceImprove adsorption capacityGas treatmentLayered productsAlkaline earth metalHoneycomb
The present invention relates to adsorbent honeycomb monoliths and other porous monoliths impregnated with alkaline and / or caustic salts of alkaline metal or alkaline earth metal. The impregnated monoliths have high adsorption capacity and low flow resistance, yet with minimized flammability, suitable for use in removal of acidic, malodorous and / or harmful gases.
Owner:MEADWESTVACO CORP
Methods and devices using a shrinkable support for porous monolithic materials
ActiveUS7651762B2Smooth inner surfacePromote resultsIon-exchange process apparatusPhysical/chemical process catalystsPorous substrateFiltration
Articles of manufacture and devices and methods of forming and using the same are provided, wherein the article comprises a porous inorganic substrate contained in or bounded by a support made from an inorganic material are provided, wherein said porous substrate and support are heated to a temperature effective to shrink the support onto the porous substrate such that liquid tight contact is formed between the porous substrate and the support. In a preferred aspect, the porous inorganic substrate has a porosity of at least 5%, and is a porous monolith formed using a sol-gel method. The articles thus formed provide a confined fluid flow through the porous substrate, providing superior performance in separations, catalysis, filtration, and the like.
Owner:AGILENT TECH INC
Ion exchange particle-bound flow-through porous monolith
ActiveUS7303671B2Cation exchanger materialsIon-exchanger regenerationChromatographic separationStationary phase
Owner:DIONEX CORP
H2O2 decomposition catalyst
InactiveUS6991772B1Promote decompositionLower activation energyOxygen/ozone/oxide/hydroxideMolecular sieve catalystsCombustion chamberDecomposition
An activated catalyst for the rapid decomposition of H2O2 is provided wherein a porous high surface area catalyst base, e.g. a zeolite molecular sieve (ZMS) is impregnated or doped with a solution of metal cation salts and an ionic promoter, dried and calcined to form an activated catalyst. Such activated catalyst, in the form of a porous monolith or chunks, extrudate, pieces, pellets, or spheres, can be poured into and confined, in a tight pack, in a cavity of a rocket housing, downstream of a pressurized H2O2 tank. The H2O2 is flowed through the catalyst and undergoes rapid decomposition into steam and O2 and flows out the propellant nozzle of such rocket. Advantages of such activated catalyst are that it can be employed to rapidly decompose H2O2 to propel a) a mono-propellant rocket, b) a bipropellant rocket (having fuel and a combustion chamber) and c) a hybrid rocket (powered by H2O2 and fuel grain) and can also be used for a starter cartridge decomposition catalyst, a gas generator decomposition catalyst and the like. Another benefit of the activated catalyst of the invention is its low weight which is highly suitable in small flightweight rocket systems.
Owner:THE UNITED STATES OF AMERICA AS REPRESETNED BY THE SEC OF THE AIR FORCE
Membrane devices using reaction bonded monolith supports
InactiveUS20050077226A1Excellent chemical durabilitySemi-permeable membranesIsotope separationSemipermeable membraneReverse osmosis
A membrane device comprised of a porous monolith support formed from a reaction-bonded ceramic powder, fired in an oxygen-free atmosphere, the monolith defining a plurality of passageways extending longitudinally from one end face of the monolith to an opposing end face. A semipermeable membrane suitable for separating a feedstock into permeate and retentate is applied to the passageway walls of said monolith. The semipermeable membrane can be selected from the group of membranes suitable for microfiltration, ultrafiltration, nanofiltration, pervaporation, reverse osmosis, and gas separations.
Owner:CERAMEM
Methods and devices using a shrinkable support for porous monolithic materials
ActiveUS20080223786A1Promote resultsImprove flow uniformityIon-exchange process apparatusPhysical/chemical process catalystsPorous substrateFiltration
Articles of manufacture and devices and methods of forming and using the same are provided, wherein the article comprises a porous inorganic substrate contained in or bounded by a support made from an inorganic material are provided, wherein said porous substrate and support are heated to a temperature effective to shrink the support onto the porous substrate such that liquid tight contact is formed between the porous substrate and the support. In a preferred aspect, the porous inorganic substrate has a porosity of at least 5%, and is a porous monolith formed using a sol-gel method. The articles thus formed provide a confined fluid flow through the porous substrate, providing superior performance in separations, catalysis, filtration, and the like.
Owner:AGILENT TECH INC
Preparation method for organic-inorganic hybrid porous monolith material based on epoxide ring-opening reaction
The invention relates to a preparation method for an organic-inorganic hybrid porous monolith material based on epoxide ring-opening reaction. Specifically, the porous organic-inorganic hybrid monolith material is prepared in one step by mixing polyhedral oligomeric silsesquioxanes (POSS), an organic cross-linking agent (an epoxide ring-opening agent), an organic solvent and a pore-forming agent and dissolving under assistance of ultrasound, and then carrying out ring-opening polymerization at a certain temperature. The preparation method has the advantages of simple and rapid operation, and mild conditions. Besides, different organic cross-linking agents (epoxide ring-opening agents) can be selectively used and a pore-forming system can be adjusted according to different application requirements, so that a series of different organic-inorganic hybrid monolith materials can be prepared.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Method for Producing Porous Monolith
A method for producing a monolithic porous body having a trimodal hierarchical porous structure by a sol-gel method is provided. The method includes a sol preparation step of preparing a precursor sol, a gelation step of inducing a sol-gel transition and a phase separation in parallel on the precursor sol in a gelation container housing a template obtained by configuring organic polymer fibers into an aggregation having a three-dimensional spread, to form a gel made of a co-continuous structure of a hydrogel phase and a solvent phase, in the space around the organic polymer fibers, and a removal step of removing the solvent phase and the organic polymer fibers individually or simultaneously from the gel. The organic polymer fibers have a structure in which the cross section perpendicular to the longitudinal direction is contractible while the extension in the longitudinal direction is restricted. Template holes, through-pores and smallpores are formed in voids remaining after the removal of the organic polymer fibers, voids remaining after the removal of the solvent phase, and a skeleton of the hydrogel phase, respectively.
Owner:RENAISSANCE ENERGY INVESTMENT
Method for preparing catalysts
InactiveUS7097880B2Minimizing rateSelectivity attainedOther chemical processesPretreated surfacesChemisorptionPorous monolith
Owner:CORNING INC
Electroosmotic pump unit and assembly
An electroosmotic pump unit includes at least a first pump element, at least a second pump element, and an electrode. Each pump element includes a tube, an electrically grounded fluid inlet, a fluid outlet electrically coupled to the electrode, and a porous monolith immobilized in the tube and having open pores having net surface charges. When the electrode applies a voltage across the monoliths, a fluid supplied to the first pump element flows through the pump elements in a direction from a fluid inlet of the first pump element toward a fluid outlet of the second pump element. A plurality of electroosmotic pump units may be connected in series in a pump assembly. The electroosmotic pump unit, or pump assembly, may be connected to an apparatus such as a HPLC.
Owner:THE BOARD OF RGT UNIV OF OKLAHOMA
Method for preparing iron ion immobilization affinity chromatography monolith column
ActiveCN102108095AUniform microstructureGood choiceOther chemical processesPeptide preparation methodsN dimethylformamideFunctional monomer
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Photocatalytic carbon dioxide reduction method using a photocatalyst in the form of a porous monolith
ActiveUS20210106977A1Improve performanceHigh activityGas treatmentDispersed particle separationPhysical chemistryPhoto catalysis
The invention relates to a photocatalytic carbon dioxide reduction method carried out in liquid and / or gas phase under irradiation, using a photocatalyst containing a first semiconductor, particles comprising one or more metallic-state elements M, and a second semiconductor SC, wherein the method is carried out by contacting a feedstock containing the CO2 and at least one sacrificial compound with the photocatalyst, then irradiating the photocatalyst such that the CO2 is reduced, and oxidising the sacrificial compound in order to produce an effluent containing at least in part C1 or above carbon molecules other than CO2.
Owner:INST FR DU PETROLE
Organic porous integral material and preparation method and application thereof
InactiveCN107434833AUniform porous structureHas hydrophobic propertiesIon-exchange process apparatusIon-exchanger regenerationChromatographic separationFunctional monomer
The invention relates to the field of macromolecule, specifically to an organic porous integral material and a preparation method and application thereof. Acrylic ester containing unsaturated double bond, a functional monomer containing mercapto group and an initiator are mixed; a photoinitiator is added; the mixed solution undergoes ultrasonic dissolution in a pore forming agent; a free-radical polymerization reaction is carried out under UV-irradiation to in situ form a porous organic integral material, namely an organic porous integral material with different surface properties and functions. The organic porous integral material has a structured microstructure and ordered porous channels and has good application in chromatographic separation. The preparation method has advantages of simple and fast operation, fast reaction speed and the like. In addition, different organic functional monomers and pore forming agent systems can be selected according to different application requirements, and a series of porous organic integral materials with different physical and chemical properties are prepared.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Ion exchange particle-bound flow-through porous monolith
ActiveUS20050173346A1Cation exchanger materialsIon-exchanger regenerationStationary phaseChromatographic separation
A flow-through ion exchange medium comprising a monolithic stationary phase having interconnecting pores defined by pore walls, and fine ion exchange polymeric layering particles irreversibly bound directly or indirectly to the pore walls, and methods of making such medium and its use on chromatographic separators.
Owner:DIONEX CORP
Aerosol delivery device with improved fluid transport
The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is stored in and / or transported to a heater by a porous monolith, which can be, for example, a porous glass or a porous ceramic. A heater can be in a heating arrangement with an external portion of the porous monolith or can be substantially internal to the porous monolith.
Owner:RAI STRATEGIC HLDG INC
Material
InactiveUS7025886B2Solve poor flow permeabilityIncrease surface areaIon-exchange process apparatusOther chemical processesPorosityNitrogen oxide
The present invention provides porous monoliths with high flow permeability that can be produced by polymerising and divinylbenzene in the presence of an initiator, a carboxy-functionalized nitroxide stable free radical and polymeric porogens. The monoliths produced with these stable free radicals functionalized with carboxylic groups feature porosities very different from those produced by polymerizations involving other SFRs, characterized by very large surface areas in combination with relatively large through-pores. The invention also provides a method for producing the monoliths, a column containing the monoliths and an assay method using the column.
Owner:MERCK PATENT GMBH
Separation membrane and manufacturing process thereof
ActiveUS7677399B2Increase production capacityDry evenlyMembranesSemi-permeable membranesProduction rateChemical physics
A process for manufacturing a separation membrane with excellent productivity, which can uniformly dry and imidize a separation membrane precursor solution formed on an inner surface of through-holes of a monolith substrate and which does not require complicated operations such as placement of a monolith substrate in a dryer, and the separation membrane manufactured by the process are provided. The separation membrane is manufactured comprising: causing a separation membrane precursor solution to pass through through-holes in a porous monolith substrate, to form a membrane of the precursor solution on the surface of the through-holes, and drying the membrane by causing hot wind to pass through the through-holes.
Owner:NGK INSULATORS LTD
Preparation of a microfluidic monolithic column chip and its application in Raman detection
ActiveCN103508411BPromote enrichmentReduce weightDecorative surface effectsRaman scatteringMicrosphereDimethyl siloxane
The invention provides a preparation method of a microfluidic monolithic column chip and an application of the chip in raman detection. The method comprises the steps that a polydimethylsiloxane (PDMS) microfluidic chip is prepared; a porous monolithic column solution is prepared; a monomer, a crosslinking agent, a pore-forming agent and a photoinitiator are subjected to ultrasonic mixing; nitrogen is supplied for deoxygenization; and finally the monolithic column solution is put in an ice bath for preservation. The solution is injected into a microfluidic chip pipeline, sealed and subjected to ultraviolet exposure, methanol washing is adopted for removing the pore-forming agent and the unreacted monomer, deionized water is used for washing sufficiently, a silver microsphere solution is injected into the microfluidic chip, ultra-sensitive raman real-time detection of a to-be-detected sample is achieved by utilizing silver microsphere enrichment and a surface raman enhancement effect, and a detection limit of the method can reach 10-12M. The method is convenient, flexible, low in cost, low in energy consumption, and convenient to popularize, and is widely applied to the fields of serum marker detection, gas marker detection, environmental monitoring, food safety and the like.
Owner:SHANGHAI JIAO TONG UNIV
Aerosol delivery device with a unitary reservoir and liquid transport element comprising a porous monolith and related method
The present disclosure relates to aerosol delivery devices, elements of such devices, and methods for producing vapor. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is contained in and transported to a heating element by a unitary reservoir and liquid transport element. The unitary reservoir and liquid transport element may include a porous monolith.
Owner:RAI STRATEGIC HLDG INC
Aerosol delivery device with improved fluid transport
The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is stored in and / or transported to a heater by a porous monolith, which can be, for example, a porous glass or a porous ceramic. A heater can be in a heating arrangement with an external portion of the porous monolith or can be substantially internal to the porous monolith.
Owner:RAI STRATEGIC HLDG INC
Preparation method of hybrid porous monolith based on mercapto-epoxy click polymerization
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Process for preparing a monolith with multimodal porosity
ActiveUS11247193B2Inhibition formationHigh mechanical strengthHydrogenCatalyst activation/preparationPorous monolithSemiconductor
Process for preparing a porous monolith comprising between 10% and 100% by weight of a semiconductor relative to the total weight of the porous monolith, which process comprises the following steps:a) a first aqueous suspension containing polymer particles is prepared;b) a second aqueous suspension containing particles of least one inorganic semiconductor is prepared;c) the two aqueous suspensions prepared in steps a) and b) are mixed in order to obtain a paste;d) a heat treatment of the paste obtained in step c) is carried out in order to obtain the monolith with multimodal porosity.
Owner:INST FR DU PETROLE
A kind of hybrid porous monolithic material and its preparation and application
ActiveCN110575824BEasy to makeShort manufacturing timeOther chemical processesChromatographic separationChemical reaction
The invention relates to the preparation of a polyacrylate hybrid monolithic material added with a polyhedral oligosesquioxane reagent (POSS). The first step is to mix polyhedral oligosesquioxane reagents with mercapto groups with other two acrylate monomers, add a porogenic solvent for ultrasonic dissolution; initiate acrylate self-polymerization and mercapto-acrylic acid in situ through ultraviolet light initiation. The hybrid monolithic material can be obtained by ester click chemistry reaction. The monolithic material has a simple and rapid preparation process, mild reaction conditions, uniform pore structure and good thermal stability, and can be applied to high-efficiency chromatographic separation and analysis of small molecular compounds and complex biological samples.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Separation membrane manufacturing method
InactiveUS20150056372A1Easy to manufactureEasy to separateSemi-permeable membranesMembranesPhysical chemistryPorous monolith
Provided is a separation membrane manufacturing method capable of easily manufacturing a dense separation membrane. The separation membrane manufacturing method comprises a membrane forming step of forming a separation membrane precursor containing a separation membrane precursor solution on the surface of cells formed in a porous monolith substrate; and a drying step of performing ventilation drying by passing hot air through the cells having the separation membrane precursor in the monolith substrate to dry the separation membrane precursor. During the ventilation drying in the drying step, the temperature of the monolith substrate having the separation membrane precursor is raised to 90° C. within 15 minutes from the start of the passing of the hot air at such a rate of temperature rise that an average rate of temperature rise is 7° C. / min or more from the start of the passing of the hot air until the temperature reaches 90° C.
Owner:NGK INSULATORS LTD
POROUS MONOLITH CONTAINING TiO2 AND METHOD FOR THE PRODUCTION THEREOF
The invention relates to a porous monolith comprising between 20 wt.-% and 70 wt.-% Ti0 2 relative to the total weight of the monolith, and between 30 wt.-% and 80 wt.-% a refractory oxide, selected from silica, alumina or silica-alumina, relative to the total weight of the monolith, characterized in that said porous monolith has a bulk density of less than 0.19 g / mL.
Owner:INST FR DU PETROLE
A kind of preparation method of highly cross-linked hydrophobic organic monolithic material
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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