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2013 results about "Porous substrate" patented technology

A coating with pores and pinhole defects creates ways for corrosive fluids or aggressive chemicals to attack the substrate material and leads to structure failure. A porous surface may also be known as a porous substrate.

Mesh implant

The present disclosure relates to implants including a porous substrate, a first hydrogel precursor, a second hydrogel precursor and a mesh. The first and second hydrogel precursors are applied to the porous substrate. The mesh has a first portion in contact with the porous substrate and a second portion exposed for tissue contact.
Owner:TYCO HEALTHCARE GRP LP

Porous Substrates for Implantation

A porous substrate or implant for implantation into a human or animal body constructed from a structural material and having one or more regions which when implanted are subjected to a relatively lower mechanical loading. The region(s) are constructed with lesser mechanical strength by having a lesser amount of structural material in said region(s) relative to other regions. This is achieved by controlling pore volume fraction in the regions. A spacer is adapted to define an open-cell pore network by taking a model of the required porous structure, and creating the spacer to represent the required porous structure using three-dimensional modelling. Material to form the substrate about the spacer in infiltrated the scaffold structure formed.
Owner:NATIONAL UNIVERSITY OF IRELAND

Hemostatic implant

The present disclosure relates to hemostatic implants including a porous substrate having a first hydrogel precursor and a second hydrogel precursor applied thereto in a manner such that the first hydrogel precursor and second hydrogel precursor do not react with each other until the implant is placed at the site of implantation and exposed to the physiological fluids of a patient.
Owner:TYCO HEALTHCARE GRP LP

Modified hyaluronic acid for use in musculoskeletal tissue repair

The present invention includes hyaluronic acid complexes of a monovalent alkali metal salt of hyaluronic acid and a tetra alkyl ammonium halide that are suitable for incorporation with tissue scaffolds that are suitable for use in repair and / or regeneration of muscoloskeletal tissue and that include a biodegradable, porous substrate made from a biodegradable, hydrophobic polymer, where the hyaluronic acid complex is substantially insoluble in water at room temperature, yet soluble in mixtures of organic and aqueous solvents in which the selected hydrophobic polymer is soluble.
Owner:ADVANCED TECH & REGENERATIVE MEDICINE

Porous substrate holder with thinned portions

A substrate support system comprises a substrate holder for supporting a substrate. The substrate holder comprises a central portion sized and shaped to extend beneath most or all of a substrate supported on the substrate holder. The central portion has one or more recesses defining thinned portions of the central portion. The one or more thinned portions may comprise at least about 10% of an upper or lower surface of the central portion. The central portion is formed of a porous material, such as a material having a porosity between about 10-40%, configured to allow gas flow therethrough.
Owner:ASM AMERICA INC

Systems and methods for synthesis of extended length nanostructures

A system for synthesizing nanostructures using chemical vapor deposition (CVD) is provided. The system includes a housing, a porous substrate within the housing, and on a downstream surface of the substrate, a plurality of catalyst particles from which nanostructures can be synthesized upon interaction with a reaction gas moving through the porous substrate. Electrodes may be provided to generate an electric field to support the nanostructures during growth. A method for synthesizing extended length nanostructures is also provided. The nanostructures are useful as heat conductors, heat sinks, windings for electric motors, solenoid, transformers, for making fabric, protective armor, as well as other applications.
Owner:NANCOMP TECHNOLOGIES INC

Air cleaner

Apparatus and method for cleaning air. An air cleaner includes a housing that defines an airflow pathway and a catalytic reactor having a catalyst secured on a porous substrate that is disposed transverse to the airflow pathway. Preferably, the catalyst includes a light activated oxidizing photocatalyst or a thermally activated oxidizing catalyst. A photocatalytic reactor will include a light source directed at a light activated oxidizing photocatalyst, such as TiO2 particles or a binary oxide particle species, which is disposed on the porous substrate. Most preferably, a metal catalyst is disposed on the photocatalyst particles at a concentration or loading between about 0.01 wt % and about 5 wt %. The air cleaner may further comprise an adsorption matrix upstream of the catalytic reactor, optionally in combination with a heater. A particulate filter and / or an electrostatic precipitator may also be disposed upstream of the adsorption matrix and the catalytic reactor.
Owner:LYNNTECH

Organic/inorganic composite porous film and electrochemical device prepared thereby

Disclosed is an organic / inorganic composite porous film comprising: (a) a porous substrate having pores; and (b) an active layer formed by coating a surface of the substrate or a part of the pores in the substrate with a mixture of inorganic particles and a binder polymer, wherein the inorganic particles in the active layer are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a pore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic / inorganic composite porous film shows improved safety and quality, simultaneously.
Owner:LG ENERGY SOLUTION LTD +1

Method for producing a composite material with a carbide matrix

InactiveUS20160060752A1Good and uniform densificationImprove compactnessPretreated surfacesSpecial surfacesPorous substrateGas phase
A method of densifying a porous substrate with a matrix, includes subdividing the pores present in the porous substrate so as to form in the substrate a network of micropores, the subdividing being performed with a filler composition comprising at least one carbon-containing phase or carbide-containing phase that is accessible via the network of micropores; and infiltrating the network of micropores formed by the filler material by reactive chemical vapor infiltration, the infiltration being performed with a reactive gas composition that does not contain carbon and that includes at least one element suitable for reacting with the carbon of the filler composition in order to form a carbide.
Owner:SAFRAN CERAMICS SA

Porous plastic media with antiviral or antimicrobial properties and processes for making the same

This invention relates to novel porous materials that possess antiviral and / or antimicrobial properties. The invention encompasses a porous material having antiviral or antimicrobial properties which is comprised of a porous substrate and an antiviral or antimicrobial agent. The invention also encompasses a process for making porous materials that possess antiviral and / or antimicrobial properties and the products of the process.
Owner:POREX CORP

Negative electrode and non-aqueous electrolyte secondary battery using the same

The negative electrode for a non-aqueous electrolyte secondary battery of the present invention includes a conductive porous substrate, and a conductive material and an active material filled in pores of the porous substrate. The active material contains at least one of a metal element and a semi-metal element capable of reversibly absorbing and desorbing lithium.
Owner:PANASONIC CORP

Positively charged membrane

The present invention provides a positively charged microporous membrane having a protein binding capacity about 25 mg / ml or greater comprising a hydrophilic porous substrate and a crosslinked coating that provides a fixed positive charge to the membrane. The present invention further provides a positively charged microporous membrane comprising a porous substrate and a crosslinked coating comprising pendant cationic groups. The membranes of the present invention find use in a variety of applications including ion-exchange chromatography, macromolecular transfer, as well as detection, filtration and purification of biomolecules such as proteins, nucleic acids, endotoxins, and the like.
Owner:PALL CORP

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

Porous nanofiber bearing substrate materials are provided having enhanced surface area for a variety of applications including as electrical substrates, semipermeable membranes and barriers, structural lattices for tissue culturing and for composite materials, and the like.
Owner:ONED MATERIAL INC

Film Embedded Packaging and Method of Making Same

The present invention relates to packaging in the form of a pouch, which may contain active substances, such as food products, pharmaceutical agents, nutraceuticals and cosmetic agents, or the like. More specifically, in some embodiments, the present invention provides a pouch, which includes at least one porous substrate encompassing a closed volume and at least one water-soluble film at least partially embedded in the at least one porous substrate. The pouch may contain an active substance within the closed volume, as well as an active substance in the water-soluble film. The present invention also relates to methods of making and using the pouches.
Owner:MONOSOL RX

Organic/Inorganic Composite Separator Having Morphology Gradient, Manufacturing Method Thereof and Electrochemical Device Containing the Same

Disclosed is an organic / inorganic composite separator including: a porous substrate having pores; and a porous active layer containing a mixture of inorganic particles and a binder polymer with which at least one surface of the porous substrate is coated. The organic / inorganic composite separator of the present invention may be useful to enhance peeling and scratch resistances and improve a lamination characteristic by introducing a porous active layer onto a porous substrate having pores, the porous active layer having heterogeneity of morphology toward a thickness direction in which a content ratio of the binder polymer / inorganic particles present in a surface layer is higher than that of the binder polymer / inorganic particles present inside the surface layer. Accordingly, the stability and performances of a battery can be improved together since the detachment of inorganic particles from the porous active layer may be reduced during the assembly process of the electrochemical device.
Owner:TORAY BATTERY SEPARATOR FILM +1

Catalytic converter, holding material for catalytic converter and production method thereof

The present invention relates to a holding material for a catalytic converter including a catalyst carrier, a metal casing for receiving the catalyst carrier, and the holding material wound around the catalyst carrier and interposed in a gap between the catalyst carrier and the metal casing, the holding material including a low thermal conductivity layer, in which the low thermal conductivity layer includes: a molded material containing an inorganic powder; or a composite material of a porous substrate with an aerogel.
Owner:NICHIAS CORP

Polymer colloid-containing ink-jet inks for printing on non-porous substrates

The present invention is drawn toward an ink-jet ink, comprising an aqueous liquid vehicle having acid-functionalized polymer colloid particulates and polymer-attached pigment colorants dispersed in the liquid vehicle. The liquid vehicle can include at least one volatile co-solvent, each volatile co-solvent present having a boiling point at or below about 285° C. The total amount of volatile co-solvent present in the ink-jet ink can be from 5 wt % to 50 wt %. These ink-jet inks can be printed on traditional as well as non-porous substrates. Optionally, heat can be applied to an image printed with the ink-jet ink to drive off at least a portion of the volatile co-solvent(s).
Owner:HEWLETT PACKARD DEV CO LP

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

Porous and / or curved nanofiber bearing substrate materials are provided having enhanced surface area for a variety of applications including as electrical substrates, semipermeable membranes and barriers, structural lattices for tissue culturing and for composite materials, production of long unbranched nanofibers, and the like.
Owner:ONED MATERIAL INC

High-performance two-dimensional layered Ti3C2-MXene membrane, preparation method thereof and application of membrane in water treatment

The invention belongs to the technical field of membrane preparation and water purification and discloses a high-performance two-dimensional layered Ti3C2-MXene membrane, a preparation method thereof and an application of the Ti3C2-MXene membrane in water treatment. The method comprises steps as follows: (1), Ti3AlC2 powder and an HF solution are mixed, stirred for a reaction, centrifugally washed and dried, and Ti3C2 powder is obtained; (2), the Ti3C2 powder and a solvent are mixed, stirred for the reaction, washed and dried, and treated powder is obtained; (3), the treated powder is dissolved in the solvent and subjected to ultrasonic treatment and centrifugation, a liquid supernatant is taken and dried, and a two-dimensional nanosheet is obtained; (4), a solution is prepared from the two-dimensional nanosheet and deposited on a porous substrate with a nano self-assembly technology, and the high-performance two-dimensional layered Ti3C2-MXene membrane is obtained. The membrane has ultrahigh water flux, higher selectivity and good mechanical property and stability; the method is simple, low in energy consumption and cost, good in repeatability and wide in applicability.
Owner:SOUTH CHINA UNIV OF TECH

Non-volatile cathodes for lithium oxygen batteries and method of producing same

An air lithium battery is provided having two equal halves (60, 69) that are joined together along a centerline. Each half includes a porous substrate (64), an oxygen cathode (67) having a non-volatile lithium ion conductive electrolyte cathode, a non-volatile electrolyte (66), and an anode (65). The electrolyte may include alternating layers of ion conductive glass or ceramic layer and ion conductive polymer layer.
Owner:JOHNSON IP HLDG LLC

Fuel cell

A current collector includes a thin porous substrate and a hydrophilic material, where the hydrophilic material is provided to holes of the thin porous substrate or surfaces of skeleton elements of the porous substrate so that hydrophilic areas formed by the hydrophilic material successively pass through the thin porous substrate between both surfaces of the thin porous substrate. In the current collector, water is let out through the hydrophilic areas and does not stay on an interface between an electrode and the current collector so that reaction gas is not hampered and is supplied, unlike a conventional current collector. When the current collector is applied to a polymer electrolyte fuel cell, water is supplied with reliability through the hydrophilic areas to a polymer electrolyte membrane so that the polymer electrolyte membrane is effectively humidified. The current collector applied to a cathode achieves a profound effect because reaction product water tends to stay around a cathode of any types of fuel cells. The current collector also includes gas flow paths which are surrounded by particles of a hydrophobic material and pass through the thin porous substrate between both surfaces of the thin porous substrate. As a result, gas permeability of the current collector is maintained with reliability.
Owner:SANYO ELECTRIC CO LTD

Coating system for a porous substrate using an asphalt-containing thermosetting basecoat composition and a thermoplastic top coat composition

InactiveUS6849338B2Reduce viscosity of compositionIncreasing imperfectionSynthetic resin layered productsPretreated surfacesPorous substrateCross-link
A coating system comprises a basecoat of an thermosetting asphalt extended, chemically cross linked-urethane / epoxy hybrid basecoat resting on a substrate, preferably a porous substrate such as concrete or wood that off-gas when coated with a thermoplastic material; and a thermoplastic powder coating topcoat overlying at least the base coat. The thermosetting basecoat composition consisting essentially of, in weight percent based on final formulation, and between 10 and 90% of a petroleum asphalt; between 10 and 90%, of a hydroxy-terminated homopolymer; and between 0.1 and 30% of a functional epoxy reactive diluent for reducing the viscosity of the composition; and further up to 5% of a surfactant for improving surface imperfections, up to 5% of an anti-oxidant; and up to 25% of a thickening agent.
Owner:PACIFIC NORTHWEST COATINGS

Lateral-flow porous membrane assay with flow rate control

Various modifications to a porous substrate, such as employed in lateral flow assay devices, to regulate or modify the flow rate and / or flow path pattern of a fluid through the porous substrate is described. The lateral flow assay device has a porous substrate matrix in fluid communication with a flow-rate control zone having a number of flow-rate control devices arranged as features in or on a substrate surface or laminates thereof in a body. The flow-rate control devices may include: a density gradient, porosity gradient, ion affinity gradient, micro-channels, and combinations thereof.
Owner:KIMBERLY-CLARK WORLDWIDE INC

Metal oxide coated polymer substrates

Metal oxide coated substrates are disclosed comprising a three dimensional substrate having a coating of metal oxide on at least a portion of all three dimensions thereof and having a polymeric inner core, produced by a unique process having particular applicability to the manufacture of tin oxide coated three dimensional substrates. Certain novel coated substrates, such as flakes, spheres and porous substrates are disclosed. The coated substrates are useful in polymers, catalysis, heating and shielding applications.
Owner:ENSCI
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