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7604746 |
Pervaporation composite membranes
The present application discloses a composite membrane comprising (a) a support member that has a plurality of pores extending through the support member and (b) a cross-linked copolymer comprising...
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7604129 |
Lyotropic liquid crystal nanofiltration membranes
The invention provides composite nanofiltration membranes (FIG. 5 ) with lyotropic liquid crystal (LLC) polymer porous membranes ( 30 ) attached to a porous support ( 20 ). The LLC membranes are...
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7578939 |
Ceramic membrane water filtration
A process for combined ozone degradation and filtration using a multi-layered, nanocrystalline, sintered ceramic, metal oxide catalyst and ceramic membrane filter is described. The process reduces...
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7575618 |
Reactive binders for porous wall-flow filters
Porous ceramic articles such as ceramic filters are provided from ceramic extrusion batches comprising mixtures of oxides and oxide precursors with a reactive binder system, the binder system...
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7569145 |
Vinylidene fluoride based resin porous hollow yarn and method for production thereof
There is provided a porous hollow fiber of vinylidene fluoride resin which has a water permeation rate that is large per fiber and little dependent on the length, has a large treatment capacity per...
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7563376 |
Plasma purification membrane and plasma purification system
A plasma purification membrane and a plasma purification system for treating diseases. The above plasma purification membrane is a hollow fiber plasma purification membrane being made of a...
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7560024 |
Method and system for controlling pore size of microporous phase inversion membranes
This invention provides for a method to control the pore size or bubble point of porous membranes made by phase inversion in a continuous manufacturing process by blending two or more solutions...
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7540984 |
Proton-conducting membrane and the use thereof
The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, because of its excellent chemical and thermal properties, be used in a variety of ways and...
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7528089 |
High solids materials processing
The present invention includes a microporous or mesoporous composition of matter in which the composition is formed continuously or semi-continuously in a heated reactor zone, including a rotary...
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7517482 |
Method for producing polymeric membranes with high-recovery rate
A method for preparing polymeric membranes is disclosed, which has the following steps: (a) forming a casting solution by dissolving cellulose triacetate (CTA) and polyether-sulfone (PES) in a...
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7504034 |
Hollow fiber membrane and method of producing the same
A method of producing a hollow fiber membrane includes discharging a polyvinylidene fluoride solution comprising a polyvinylidene fluoride resin and a poor solvent at a temperature above a phase...
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7501084 |
Method for producing fabric-reinforced capillary membranes, in particular for ultrafiltration
The invention relates to a method for producing fabric-reinforced capillary membranes, particularly for ultrafiltration, in which a fabric tube ( 1 ) is coated with a polymer solution and is guided...
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7485233 |
Hydrophilic mixed matrix material having reversible water absorbing properties
Polymer-ceramic mixed matrix compositions contain one or more organic polymers and a nano-sized dispersion of inorganic metal oxide particles which are dispersed throughout the composition....
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7485227 |
Polyazole-based polymer films
The present invention relates to polymer films and a polymer membrane having an improved mechanical property profile produced therefrom, to a process for producing them and to their use. The...
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7479300 |
Composite polyamide reverse osmosis membrane and method of producing the same
A composite polyamide reverse osmosis membrane and method of producing same. In a preferred embodiment, the membrane is made by coating a porous polysulfone support with an aqueous solution...
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7479243 |
Microporous polyolefin membrane, and method of producing the same
The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is...
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7476636 |
Method of making mixed matrix membranes using electrostatically stabilized suspensions
Mixed matrix composite (MMC) membranes with minimal macrovoids and defects are provided by the current invention. MMC Membranes are needed that have minimal macrovoids and defects, provide...
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7459121 |
Method for continuous fabrication of carbon nanotube networks or membrane materials
Methods and devices are provided for the continuous production of a network of nanotubes or other nanoscale fibers. The method includes making a suspension of nanoscale fibers dispersed in a liquid...
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7459109 |
Method for manufacturing foam pads
A method for manufacturing foam pads includes a first step of preparing a proper amount of PVC power, DOP curing agent, light calcium carbonate, kaolin, foaming agent and pigment and pouring them...
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7455799 |
Method of producing polishing pad-use polyurethane foam and polyurethane foam
A production method comprising the step of charging prepolymer, a foaming agent and an active hydrogen-containing compound in specified amounts into a tank and foaming/mixing them for a specified...
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7455772 |
Hollow-fiber porous water filtration membrane of vinylidene fluoride resin and process for producing the same
A vinylidene fluoride resin having a weight-average molecular weight as relatively high as 300,000 or higher is mixed with a plasticizer and good solvent for the vinylidene fluoride resin to obtain...
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7449112 |
Crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation
A novel polyvinyl alcohol-based polymer membrane is disclosed. The novel polyvinyl alcohol-based polymer membrane of the present invention comprises two different compounds which are crosslinked by...
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7445712 |
Asymmetric forward osmosis membranes
There is disclosed a membrane formulation having high flux for forward osmosis applications. There is disclosed a forward osmosis filtration membrane having a salt rejection 99+% or greater, and...
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7429343 |
Process for producing polyolefin membrane with integrally asymmetrical structure
Process for producing an integrally asymmetrical hydrophobic polyolefinic membrane with a sponge-like, open-pored, microporous support structure and a separation layer with a denser structure,...
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7422686 |
Cellulose hydrate ultrafiltration membranes and method for their production
There is disclosed a process for the production of cellulose hydrate ultrafiltration membranes having improved filtration performance and the ultrafiltration membranes produced by the process.
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7410065 |
Membrane for the separation of material mixtures and method for production thereof
The invention relates to a membrane for the separation of material mixtures by the principle of vapor permeation or pervaporation, in particular for the dewatering of organic solvents, comprising...
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7407609 |
Membranes and their manufacture
Membranes comprising an aromatic ether ketone polymer (e.g. polyetherketone) in sheet or hollow fibre form are made by preparing at least a 12 wt % solution of the polymer in a solvent which is...
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7393878 |
Method for curing high internal phase emulsions
The present invention is directed to a method for reducing monomer loss during curing of a high internal phase emulsion. The method has the steps of: forming a water-in-oil emulsion, curing the...
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7364659 |
Preparation of asymmetric polyethylene hollow fiber membrane
A porous polyethylene hollow fiber membrane having a pore-size gradient across the inner and outer surfaces thereof is prepared by introducing, during the cooling step of a melt-spun polyethylene...
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7351338 |
Porous membrane of vinylidene fluoride resin and process for producing the same
There is provided a porous membrane of vinylidene fluoride resin which has pores of appropriate size and distribution and also excellent mechanical strength represented by tensile strength and...
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7338980 |
Method and apparatus for mixing a high-viscosity material into a gas
A piston pump has a piston and cylinder. A gas is supplied into the cylinder during and/or after a suction stroke of the piston pump, and a high-viscosity material is supplied into the cylinder...
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7309458 |
Multi-sided immersion formation of composite structures and method
Sample preparation device and method for desalting and concentrating samples prior to further analysis such as by MALDI TOF and/or electro-spray ionization (ESI) mass spectrometry. The device in...
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7306754 |
Membrane and the use thereof
The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that...
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7284668 |
Microporous membrane substrate having caustic stable, low protein binding surface
The present invention provides porous media or membranes having a surface coating that includes a first coating of a cross-linked terpolymer and a second coating comprising a copolymer or a...
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7275349 |
Split column reassembly system
The split column reassembly system invention allows a split column, capitol or base to return to its intended position during its installation around a load bearing structural device. It is done...
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7229665 |
Process of forming multilayered structures
The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered...
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7226541 |
Membrane polymer compositions
The invention relates to a terpolymer of tetrafluoroethylene (TFE) monomer, polyvinylidene fluoride (PVDF) monomer and hexafluoropropylene (HFP) monomer for forming an ultrafiltration or...
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7208089 |
Biomimetic membranes
Biological membrane proteins are incorporated into a co-polymer matrix to produce membranes with a wide variety of functionalities. In one form of the invention, a composite membrane incorporates...
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7201860 |
Polyamide membrane with improved hydrolytic stability and method for production thereof
The invention relates to a method for producing a hydrolytically stable polyamide membrane having an open-pored, microporous and sponge-like support-layer structure, using a process involving...
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7182894 |
Process for the preparation of free standing membranes
The invention discloses a method for synthesizing hollow structured freestanding membrane having pore size of 2 to 200 nm which provides long-term stability that makes it viable for many practical...
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7172770 |
Mesoporous compositions for use in drug delivery
The present invention encompasses novel mesoporous compositions comprising vitamin E and alumina, and methods for their synthesis. The mesoporous compositions of the present invention have...
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7169348 |
Method of making metal oxide nanoparticles in an exfoliated silicate framework
A method of producing metal oxide nanoparticles in an exfoliated silicate framework by forming an aqueous exfoliated silicate suspension by mixing a layered clay into water until clear. To which is...
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7144505 |
Melt-spun polysulfone semipermeable membranes and methods for making the same
The present invention provides, inter alia, a composition useful for producing a homogeneous, semipermeable membrane, the composition comprising a polysulfone semipermeable membrane, the...
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7112272 |
Liquid and gas porous plastic filter and methods of use
The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent...
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7108813 |
Gas/ion species selective membrane supported by multi-stage nano-hole array metal structure
An improved two-step replication process for fabrication of porous metallic membranes is provided. A negative of a porous non-metallic template is made by infiltration of a liquid precursor into...
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7108760 |
Method of producing a vehicle interior lining and vehicle interior lining
A vehicle interior lining having very good sound absorbing properties and is air-permeable to air comprises an outside decorative layer, a barrier layer arranged on the rear side of the decorative...
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7097730 |
Method and apparatus for assembling a vehicle wheel
A method and apparatus for attaching an ornamental overlay to a vehicle wheel by injecting adhesive foam through an aperture of the wheel and into a cavity formed between the wheel and the overlay....
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7094372 |
Chitosan membrane containing nano-inorganic particles and the method for forming the same
A chitosan membrane containing nanosize particles is disclosed in this invention. The chitosan membrane comprises a chitosan membrane and nano-inorganic particles. The nano-inorganic particles are...
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7087168 |
Hollow fiber membrane for purifying blood
It is intended to provide a blood purification membrane having excellent performance and showing little elution of blood and little adhesion of blood proteins or platelets. The above object can be...
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7081216 |
Foams and coatings
Processes for the preparation of adherent polyvinylidene fluoride, hexafluoropropylene coatings on objects and for the direct production of open celled foams from a polymer latex without a need for...
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