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9027764 Moisture-permeable separating membrane material  
A moisture-permeable separating membrane material includes a porous fluororesin membrane, a continuous moisture-permeable resin layer formed on the surface of the porous fluororesin membrane, and...
9022225 Filtration filter and production method therefor  
Provided is a filtration filer with which a stable opening size during filtration is obtained, and which can be easily regenerated when clogged and used repeatedly. The filtration filter (10)...
9022226 Zeolite separation membrane, method for producing the same, and bonding agent  
A separation membrane according to the present invention is characterized by having a porous tube containing an alumina as a main component and an attachment member disposed in a connection...
9017553 Filtration of a hydrocarbon from a fluid  
An apparatus, method, and system for treatment of industrial waste water and/or marine vessel bilge water before discharge into waterways, said waste water having hydrocarbon, and synthetic oils,...
9005496 Asymmetric membranes  
Asymmetric membranes comprising a first asymmetric porous zone including a first porous asymmetry that increases from the first exterior surface through the first porous zone of the bulk, and a...
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,...
8960449 Composite semipermeable membrane and manufacturing method therefor  
In manufacturing a composite semipermeable membrane useful for separating a liquid mixture selectively, it is rendered possible to provide a composite semipermeable membrane that exhibits reduced...
8960448 Thin film composite osmosis membranes  
A two-layered osmosis membrane contains a support layer and a rejection layer. The support layer, in which a mesh is embedded, is made of a phase separation polymer and has a thickness of 50 to...
8956696 Ultra-thin membrane for chemical analyzer and related method for forming membrane  
A method for forming an ultra-thin membrane for use in a chemical analyzer such as a mass spectrometer includes the step of applying a sacrificial blocking layer onto a porous substrate, applying...
8951420 Filter media suitable for hydraulic applications  
Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two...
8950587 Filter media suitable for hydraulic applications  
Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two...
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...
8925737 Crystalline polymer microporous membrane and filtration filter  
A crystalline polymer microporous membrane, which contains: a laminate of two or more layers including a layer containing a first crystalline polymer and a layer containing a second crystalline...
8920654 Thin film composite membranes for forward osmosis, and their preparation methods  
Forward osmosis membranes having a hydrophilic support layer and a polyamide rejection layer in a thin film composite membrane are considered. Preferred support layer materials include aramid...
8894859 Asymmetric membranes for use in nanofiltration  
Improved integrally skinned asymmetric membranes for organic solvent nanofiltration, and their methods of preparation and use are disclosed. Membranes are formed from polyimides by phase inversion...
8895104 Thin film composite membranes embedded with molecular cage compounds  
A polymeric membrane on a support, wherein the polymeric membrane includes a crosslinked polymer covalently bound to a molecular cage compound. An interfacial polymerization method for making the...
8887926 Nanoporous films and method for manufacturing the same  
Provided is a carbon nanostructure-metal composite nanoporous film in which a carbon nanostructure-metal composite is coated on one surface or both surfaces of a membrane support having micro- or...
8875906 Reverse osmosis membrane including nano-silver wire layer and fabrication method thereof  
There are provided a reverse osmosis membrane comprising a porous support; a silver nanowire layer formed on the porous support; and a polyamide film formed on the silver nanowire layer, and a...
8845886 Functionalized filters for heavy oil upgrading  
This invention relates to a process for separating a hydrocarbon stream via a filtration process to produce an upgraded permeate stream with decreased Conradson Carbon Residue (“CCR”) content. The...
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...
8828104 Tank fuel drying device  
A device and method for removing moisture from ethanol blended fuel in a fuel tank comprises a container made of a non-woven nylon fabric, a desiccant, and a gelling agent; wherein the desiccant...
8827085 Monofilament-reinforced hollow fiber membrane  
A hollow fiber membrane is formed by embedding a braid having a spiral open weave of monofilaments only, to avoid a “whiskering” problem common in prior art multifilament braid-supported tubular...
8820540 Method for preparing a filtration membrane and filtration membrane prepared by said method  
Method for preparing a filtration membrane and a filtration membrane prepared by the method. According to one embodiment, the method involves casting a polymer solution onto a porous support to...
8808645 Molecular filters  
Molecular filters are disclosed herein. An example of the molecular filter includes a rolled substrate having an interior surface and opposed ends that are substantially orthogonal to the interior...
8801933 Membrane distillation modules using oleophobically and antimicrobially treated microporous membranes  
The present invention provides a system for liquid distillation which includes a vapor permeable-liquid impermeable microporous membrane having structures defining a plurality of pores, an...
8801935 Hybrid TFC RO membranes with non-metallic additives  
A process for preparing a reverse osmosis membrane that includes: (A) providing a polyamine, a polyfunctional acid halide, and a flux increasing additive having the formula Z+B− where Z+ is an...
8789708 Atmospheric pressure microwave plasma treated porous membranes  
Versions of the invention include compositions and methods for making them that include a polymeric porous membrane with one or more atmospheric pressure microwave plasma modified surfaces. The...
8784664 Hollow fibre membrane  
The present invention relates to a composite hollow fiber capillary membrane in particular for exploiting the value of dialysate and a method for the production thereof as well as its use in...
8778186 High-density polydicyclopentadiene  
The invention provides a method of contacting a membrane having a highly cross-linked polydicyclopentadiene matrix with a feed solution having a) a first component with a molecular weight in the...
8770414 Reverse osmosis membrane including ultra-hydrophilic passivation layer and method of manufacturing the same  
A reverse osmosis separation membrane includes a porous support, a separation active layer formed on the supporting layer, and a ultra hydrophilic layer formed on the separation active layer. The...
8757396 Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds  
Composite membranes including a coating of polyalkylene oxide and oxy-substituted phenyl compounds along with various methods for making and using the same. In one embodiment, the composite...
8758626 Water purification cartridge using zirconium ion-exchange sorbents  
A cartridge having at least one layer containing sodium zirconium phosphate and at least one layer containing a combination of acid zirconium phosphate and alkaline hydrous zirconium oxide is...
8752713 Hollow porous membrane and process for producing the same  
A hollow porous membrane with a reduced cost and excellent separation characteristic, water permeability, and mechanical strength and a process of producing the hollow porous membrane with an...
8739976 Crystalline polymer microporous membrane, method for producing the same, and filteration filter  
A crystalline polymer microporous membrane containing a crystalline polymer microporous film containing a crystalline polymer, and having an asymmetric pore structure; fluorine alcohol covering at...
8741140 Surface modified filtration media  
A filter media that inhibits the formation of static charge in a liquid flowing through the filter media comprises a filtration layer having a first surface and a second surface opposite the first...
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...
8733558 Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds  
Composite membranes including a coating of polyalkylene oxide and biguanide compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises...
8727135 Composite filtration membranes and methods of preparation thereof  
A composition comprises a crosslinked poly(meth)acrylate comprising two or more poly(meth)acrylate backbones covalently linked to a bridging group, the backbones comprising i) respective first...
8721942 Composite membrane including coating of polyalkylene oxide and acetophenone compounds  
Composite membranes including a coating of polyalkylene oxide and acetophenone compounds along with various methods for making and using the same. In one embodiment, the composite membrane...
8721891 Zeolite membrane, separation membrane, and component separation method  
A zeolite membrane excellent in separation performance and having an acid resistance, and a separation membrane employing the zeolite membrane are provided. A zeolite membrane comprising a layer...
8709536 Composite filtration membranes and methods of preparation thereof  
A method comprises disposing, on a porous support membrane, an aqueous mixture comprising a crosslinkable polymer comprising a poly(meth)acrylate and/or poly(meth)acrylamide backbone, thereby...
8709254 Hybrid silica membrane for water removal from lower alcohols and hydrogen separation  
A microporous organic-inorganic hybrid membrane based on silica of the invention has an average pore diameter of less than 0.6 nm, and comprises bridging organosilane moieties of the formula...
8709199 Method of preparing a water vapor transfer membrane  
A method of making a water vapor transport membrane is described. The method can include providing two sheets, each sheet comprising a support layer with an ionomer layer thereon; applying a...
8696909 Hybrid bioartificial kidney  
A bioartificial kidney equivalent and a process for producing the bioartificial kidney equivalent. The hybrid bioartificial kidney comprises human proximal and distal renal tubule cells grown on...
8695812 Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane  
A water-proof sound-transmitting membrane 10 includes a polytetrafluoroethylene porous membrane 1 and has a surface density of 1 to 20 g/m2. The polytetrafluoroethylene porous membrane 1 includes...
8684187 Semipermeable polymers and method for producing same  
A polyamide membrane including reaction product of an anhydrous solution comprising an anhydrous solvent, at least one polyfunctional secondary amine and a pre-polymer deposition catalyst, and an...
8679336 Microchannel device, separation apparatus, and separation method  
A microchannel device is provided, the microchannel device containing a microfluidic channel including a sub fluidic channel in which at least one filtration diaphragm is provided, wherein the...
8678202 Modular filter elements for use in a filter-in-filter cartridge  
Disclosed are modular filter-in-filter elements, namely an outer filter element and an inner filter element which may be assembled to form a filter cartridge for use in separation methods and...
8678201 Aircraft potable water system  
A potable water system (10) comprises a supply line (18) and a water-purification device (20) incorporated thereinto. The water-purification device (20) comprises a microorganism filter (40)...
8672143 Composite semipermeable membrane  
Disclosed is a composite semipermeable membrane, which comprises a separation functional layer on a microporous support, and in which the separation functional layer is made of a condensation...