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8999167 Composite porous membrane and process for producing the same  
There is provided a composite porous membrane comprising a porous membrane comprised of an organic polymeric compound, and a supporting porous membrane adjacent to the porous membrane,...
8967391 Method for preparing composite multilayer porous hollow membrane and device and product thereof  
A method for preparing a composite multilayer porous hollow fiber membrane and the device and product thereof. The method comprises preparing uncured porous hollow fibers with larger pore...
8945391 Organic polymers-separation membrane filter, and organic polymers-separation method  
The object of the invention is to provide an organic polymers-separation membrane filter capable of physically separating organic polymers based on their molecular stereostructure difference...
8939293 Composite membrane with integral rim  
Composite membranes that are adapted for separation, purification, filtration, analysis, reaction and sensing. The composite membranes can include a porous support structure having elongate pore...
8840791 Multilayer microfiltration membrane  
A microfiltration membrane comprising (a) an asymmetric layer, (b) an isometric layer, and (c) an interface layer between the asymmetric layer and the isometric layer, the interface layer having a...
8757395 Porous PTFE materials and articles produced therefrom  
Novel porous PTFE membranes are described possessing a unique combination of high strength, low flow resistance, and small pore size. Additionally, unique constructions with superior filtration...
8733556 Method for reducing performance variability of multi-layer filters  
Multi-layer membrane devices with reduced performance variability, and method of reducing performance variability of such devices. The variability is reduced by combining two or more membranes...
8622223 Membrane assemblies and methods of making and using the same  
A method of making a membrane assembly is provided. The method comprises forming an inorganic membrane layer disposed on a substrate, and forming a plurality of macropores in the substrate at...
8596466 Production of single-walled carbon nanotube grids  
A method of forming a nanotube grid includes placing a plurality of catalyst nanoparticles on a grid framework, contacting the catalyst nanoparticles with a gas mixture that includes hydrogen and...
8512861 Multi-layer three-dimensional structures having features smaller than a minimum feature size associated with the formation of individual layers  
Embodiments of multi-layer three-dimensional structures and formation methods provide structures with effective feature (e.g. opening) sizes (e.g. virtual gaps) that are smaller than a minimum...
8448790 Surface charge enabled nanoporous semi-permeable membrane for desalination  
A filter includes a membrane having a plurality of nanochannels formed therein. A first surface charge material is deposited on an end portion of the nanochannels. The first surface charge...
8376148 Inorganic porous support-zeolite membrane composite, production method thereof, and separation method using the composite  
An object of the present invention is to provide a zeolite membrane composite satisfying both the treating amount and the separation performance at a practically sufficient level, which can be...
8361197 Structure provided with zeolite separation membrane, method for producing same, method for separating mixed fluids and device for separating mixed fluids  
There is provided a zeolite separation membrane-provided article having gaps or pores larger than pores inherent to zeolite crystals and controlled within an appropriate range and being capable of...
8307994 Surface charge enabled nanoporous semi-permeable membrane for desalination  
A filter includes a membrane having a plurality of nanochannels formed therein. A first surface charge material is deposited on an end portion of the nanochannels. The first surface charge...
8292092 Macrocyclic pore-apertured carbon nanotube apparatus  
A macrocyclic pore-apertured carbon nanotube apparatus is disclosed. The carbon nanotube apparatus can be used to filter or exclude ions, solutes in solution, as well as particles suspended in a...
8276764 Process for producing a polymer membrane, and polymer membrane  
The invention relates to a process for producing a polymer membrane, the polymer membrane being produced from a solution, in particular a casting solution, comprising at least one first polymer....
8241549 Fluorinated elastomeric gas diffuser membrane  
The present invention relates generally to a structure for a diffused aeration system. More particularly, the invention encompasses a diffuser membrane where at least a portion of the surface has...
8210360 Composite membranes and methods for making same  
Composite membranes that are adapted for separation, purification, filtration, analysis, reaction and sensing. The composite membranes can include a porous support structure having elongate pore...
8186519 Porous cured epoxy resin  
A porous object comprising a three-dimensional network skeleton of a cured epoxy resin and having interconnecting pores, characterized in that the three-dimensional network skeleton forms a...
8187534 Porous barrier media comprising color change indicators  
The present invention provides porous barrier compositions comprising color change indicators and methods of making and using the same.
8181793 Depth filter sheet material and method for manufacturing same  
The present invention relates to a method for manufacturing a depth filter sheet material, the method comprising preparing a flowable aqueous pulp composition comprising a fibrous material and a...
8141717 Sintered polymeric materials and applications thereof  
The present invention provides sintered polymeric materials and methods of making the same which are useful in a variety of applications. In one embodiment, the present invention provides a...
8136676 Polymers useful as medical materials  
One object of the present invention is to provide polymers suitable for use as medical materials. The present invention provides a polymer useful as a medical material having the general formula...
8088282 Sieving media from planar arrays of nanoscale grooves, method of making and method of using the same  
Disclosed herein are an apparatus and a method for separating molecules on the basis of size and or structure, and to a method of making the apparatus. Generally, the separation method includes...
8075904 High aspect ratio template and method for producing same for central and peripheral nerve repair  
Millimeter to nano-scale structures manufactured using a multi-component polymer fiber matrix are disclosed. The use of dissimilar polymers allows the selective dissolution of the polymers at...
8061532 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...
8056732 Microporous polymer material  
The present invention relates to a microporous material which is a non-network polymer having a chain comprised of repeating units bonded to each other and each including a first generally planar...
8056731 Membrane structure and method of making  
A membrane structure is provided. The membrane structure includes a polymer layer having a plurality of pores; and a ceramic layer disposed on the polymer layer. The ceramic layer has a plurality...
8057672 Disposable multi-layered filtration device for the separation of blood plasma  
Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the...
8047382 Membrane structure and method of making  
A membrane structure is provided. The membrane structure includes a first layer having a plurality of interconnected pores; and a second layer disposed on the first layer. The second layer has a...
8013321 Composite comprising array of needle-like crystal, method for producing the same, photovoltaic conversion element, light emitting element, and capacitor  
A composite of a base and an array of needle-like crystals formed on the surface of the base is provided, in which the base side and the opposite side to the base with respect to the array can be...
7906026 Sieving media from planar arrays of nanoscale grooves, method of making and method of using the same  
Disclosed herein are an apparatus and a method for separating molecules on the basis of size and or structure, and to a method of making the apparatus. Generally, the separation method includes...
7891500 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...
7833419 UV treated membranes  
Non-coherent UV-treated porous halopolymer membranes are disclosed.
7819944 Method of dehydration, dehydrating apparatus, and membrane reactor  
A dehydration method by which water is selectively separated from a water-containing mixture 31 with a separation membrane. The separation membrane is a DDR type zeolite membrane 2. The...
7811507 Dialysis membrane having improved ability for removal of middle molecules  
A hydrophilic semipermeable hollow-fibre membrane for blood treatment, with an integrally asymmetric structure based on a synthetic polymer. The hollow-fiber membrane possess on its inner surface...
7798334 Method and apparatus for manufacturing zeolite membrane, and zeolite tubular separation membrane provided by the method  
A process for manufacturing a zeolite membrane by hydrothermal synthesis on the surface of a porous tubular support 3 with both ends open, by adding a reaction solution containing a silica source...
7793787 Polymers useful as medical materials  
One object of the present invention is to provide polymers suitable for use as medical materials. The present invention provides a polymer useful as a medical material having the general formula...
7784619 Method of making microporous filter membrane  
A filter membrane, methods of making such filter membrane and apparatus employing such filter membrane are disclosed, in which the filter membrane is a monolithic polymeric membrane that includes...
7770739 Method of manufacturing membranes and the resulting membranes  
This invention provides a process for making microporous membranes from a polymer solution and the membranes therefrom. A thermal assist, such as heating of the polymer solution can be effected...
7717271 Membrane structure and method of making  
A membrane structure is provided. The membrane structure includes a first layer having a plurality of interconnected pores; and a second layer disposed on the first layer. The second layer has a...
7695550 Structured membrane with controllable permeability  
An apparatus that comprises a membrane having a plurality of fluid-support-structures and openings located between the fluid-support-structures. The fluid-support-structures have at least one...
7690514 Microporous polymer material  
A microporous material comprises organic macromolecules comprised of first generally planar species connected by rigid linkers having a point of contortion such that two adjacent first planar...
7655075 Filter element and method for the production thereof  
A method for producing a filter element involving applying a membrane layer to a carrier substrate, etching a membrane chamber, producing pores in the membrane layer, subjecting the membrane layer...
7651000 Sieve material of metal, and method for its production  
The invention provides a substantially flat sieve material of metal with sieve apertures, in particular sieve apertures with microdimensions. The sieve apertures comprise at least one passage in...
7644825 Membrane and use thereof  
The membrane producible by shaping a polymer blend or a block copolymer comprising blocks of monomer units, loading the polymer blend or block copolymer with a blowing gas concentration within the...
7631769 Fluid control device and method of manufacturing the same  
A fluid control device has very fine pores with an average diameter not greater than 10 nm and provides a large flux. The fluid control device comprises an anodized alumina film having fine pores...
7611629 UV treated membranes  
Non-coherent UV-treated porous halopolymer membranes are disclosed.
7597815 Process for producing a porous track membrane  
Porous track membranes are produced by exposing a polymeric film to a bombardment of heavy ions to provide the film with a track density, and etching pores into the resulting tracked film with an...
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...

Matches 1 - 50 out of 106 1 2 3 >