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US20050051479 Hollow fiber membrane and braided tubular support therefor  
An asymmetric membrane comprising a tubular polymer film in combination with a tubular braid on which the film is supported, requires the braid be macroporous and flexible, yet sufficiently strong...
US20050023211 Composite filter medium and fluid filters containing same  
A composite filter medium for removing at least 99.95 percent of particulates of a size in the 3 to 4 micron range and dissolved chemical contaminants from a fluid and filters of various...
US20160166960 FILTER MEDIA WITH IMPROVED CONDUCTIVITY  
Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter...
US20080017569 Porous composite membrane materials and applications thereof  
The present invention provides porous composite materials and methods of making and using the same. In one embodiment, a porous composite material comprises a porous substrate comprising a first...
US20130112619 SOLVENT RESISTANT POLYAMIDE NANOFILTRATION MEMBRANES  
The present invention relates to a composite membrane for nanofiltration of a feed stream solution comprising a solvent and dissolved solutes and showing preferential rejection of the solutes. The...
US20070175816 Filtering Unit Having A Calendered Layer For Removing Leukocytes  
One aspect of the disclosure relates to a filtration unit intended to allow the removal of leukocytes from a fluid such as blood or a blood component, the unit containing a porous element...
US20120024787 Novel Coated Membranes and Other Articles  
The present invention provides porous media or membranes having a surface coating that includes a cross-linked terpolymer which has a superior combination of properties, including heat stable...
US20090277837 Fluoropolymer Coated Membranes  
The present invention discloses fluoropolymer coated membranes and methods for making and using these membranes. The fluoropolymer coated membranes described in the current invention are prepared...
US20060011544 Membrane purification system  
A membrane purification system and method are described in which a first membrane, an osmotically active agent, and a second membrane are utilized to separate fluid components. In general, fluid...
US20130330721 POLYMER MICROFILTRATION DEVICES, METHODS OF MANUFACTURING THE SAME AND THE USES OF THE MICROFILTRATION DEVICES  
A microfilter comprising a polymer layer formed from photo-definable dry film, and a plurality of apertures each extending through the polymer layer. A microfilter comprising two or more polymer...
US20100089819 PLEATED MULTI-LAYER FILTER MEDIA AND CARTRIDGE  
A pleated filter element includes a composite depth filter medium formed into a plurality of pleats. The composite depth filter medium includes a plurality of depth filter media layers. Each of...
US20060266693 Filter  
Filter (30) may comprise a first filter cloth (36) and a second filter cloth (32) disposed downstream from the first filter cloth (36). A particle diameter allowed passage by the second filter...
US20150157990 COMPOSITE POLYAMIDE MEMBRANE WITH CARBOXYLIC ACID FUNCTIONALITY  
A thin film composite polyamide membrane including a porous support and a thin film polyamide layer which is a reaction product of m-phenylene diamine (mPD) and trimesoyl chloride (TMC), wherein...
US20150041389 Fluoropolymer Hollow Fiber Membrane with Fluoro-copolymer and Fluoro -terpolymer bonded end portion(s)  
A hollow fiber membrane fluid transport device is disclosed wherein the fibers are comprised of Polytetrafluoroethylene (PTFE), and the potting materials are comprised of fluorocopolymer and or...
US20070256969 Composite Perfluorohydrocarbon Membranes, Their Preparation and Use  
Composite porous hydrophobic membranes are prepared by forming a perfluorohydrocarbon layer on the surface of a preformed porous polymeric substrate. The substrate can be formed from poly(aryl...
US20060266701 Gradient density depth filtration system  
An apparatus, system and method to provide increasingly fine gradient density depth filtration of a fluid. The apparatus may include a melt-blown filtration assembly having varying densities of...
US20050269256 Arrangements and methods for contacting a gas and a liquid  
Arrangements and methods for contacting a gas and a liquid involve transferring a gas from one side of a pleated fluid treatment medium, through the fluid treatment medium, and into a liquid on...
US20160158709 COMPOSITE INCLUDING PTFE MEMBRANE  
Composites including porous PTFE membranes comprising an intermediate PTFE membrane having a pore rating of from about 2 nanometers to about 20 nanometers, interposed between, and bound to, porous...
US20070084786 Filter, filter media, and methods for making same  
A composite filter medium includes a corrogated substrate of nonwoven porous synthetic material, cellulose, or combinations thereof. The filter medium also includes a layer of bulk meltspun...
US20160158707 NOVEL MEMBRANES  
Membrane comprising a carrier and a rejection layer, wherein said membrane is a multiple channel membrane. The rejection layer is a polyamide layer. Process for making multiple channel membranes...
US20150093486 Nozzle Device And Nozzle For Atomisation And/Or Filtration And Methods For Using The Same  
Nozzle device and nozzle for atomisation and/or filtration as well as methods for using the same. The present invention relates to a nozzle and nozzle device for atomisation, in particular a...
US20110139726 FILTRATION MEDIA COATED WITH ZERO-VALENT METALS, THEIR PROCESS OF MAKING, AND USE  
The present invention generally relates to filtration media for treating fluids, particularly water. In one aspect, the invention relates to the filtration media coated with nano-sized,...
US20160016124 Fluoropolymer Article for Mycoplasma Filtration  
A mycoplasma retentive filter having an LRV greater than 8 including at least two mycoplasma non-retentive fluoropolymer membranes positioned in a stacked configuration is provided. The...
US20150190761 REVERSE OSMOSIS MEMBRANE  
There is provided a reverse osmosis membrane including a porous support; a polysulfone layer formed on the porous support and having pores formed in a surface thereof, pores having a diameter of...
US20100206811 POLYMERIC MEMBRANES INCORPORATING NANOTUBES  
The present invention relates to semipermeable membranes with nanotubes dispersed therein, and the methods of preparing the same.
US20060249447 Solvent-resistant composite membrane composition  
A solvent-resistant composite membrane composition comprising polymer coated uniformly on porous filtration membranes can be used in a membrane separation process. The polymer compositions may...
US20150360157 FILTER MEDIUM, MANUFACTURING METHOD THEREFOR, AND FILTER EQUIPMENT USING SAME  
Provided are a filter medium, a manufacturing method thereof, and a filter apparatus using the filter medium. The filter medium includes: a porous substrate; a nanofiber web that is laminated on...
US20100243556 High-throughput asymmetric membrane  
A microporous asymmetrical membrane formed of one or more layers wherein the “tight” side of the membrane has an “opened” face or otherwise highly-porous reticulated surface is described. The...
US20090206026 External pressure type hollow fiber membrane having reinforcing supporter with monofilament for gas separation and water treatment, and method and apprtatus for preapring the same  
Disclosed are external pressure type hollow fiber membrane having a reinforcing supporter for gas separation and water treatment, and method and apparatus for preparing the same. The reinforcing...
US20060266692 Microfabricated cross flow filter and method of manufacture  
A microfabricated cross flow filter may have multiple filtration stages. The filtration stages may include microfabricated filter barriers and gaps created in a substrate, thereby allowing very...
US20120067821 Filter Medium For Leukocyte Removal  
The present invention discloses a filter medium for removing leukocytes from a leukocyte-containing sample, comprising: a substrate and a first polymer. The first polymer forms cross-linked...
US20060249446 Solvent-resistant composite membrane composition  
A solvent-resistant composite membrane composition comprising polymer coated uniformly on porous filtration membranes can be used in a membrane separation process. The polymer compositions may...
US20160263530 FABRICATION AND MODIFICATION OF POLYMER MEMBRANES USING INK-JET PRINTING  
The present invention relates to methods for fabrication or modification of polymer membranes for water treatment utilizing ink-jet printing. The methods of the invention provide substantial...
US20140291245 CERAMIC SEPARATION FILTER AND DEHYDRATION METHOD  
Provided is a ceramic separation filter having excellent separation performance and such acid resistance. The ceramic separation filter includes a porous substrate and a separation membrane...
US20140263025 MEMBRANE MODULES  
The invention relates to membranes, membrane modules, and applications therefor. In particular, the invention relates to the construction of membranes and membrane modules for use in osmotically...
US20130313185 FORWARD OSMOSIS MEMBRANE AND METHOD OF MANUFACTURE  
A forward osmosis membrane (10) and method (50) of forming the forward osmosis membrane (10) are provided. The forward osmosis membrane (10) has an integral hydrophilic asymmetric layer (12). The...
US20110266220 SEPARATIONS WITH HIGHLY SELECTIVE FLUOROPOLYMER MEMBRANES  
A method of separating components of mixtures of chemical compounds uses a nonporous membrane of copolymer of a perfluorinated cyclic or cyclizable monomer, and a 4 carbon dicarboxyl-containing...
US20070084776 Water separation and filtration structure  
A fuel conditioning structure filters fuel prior to the water separation mechanism. A coalescing media employs hydrophilic synthetic fibers that coalesce water even with the low surface tension...
US20060032812 Pre-metered, unsupported multilayer microporous membrane  
An at least two layer, unsupported, continuous microporous membrane is disclosed. The at least two layer, unsupported, continuous microporous membrane may include at least two different membrane...
US20160214069 NOVEL NANO-PATTERNED THIN FILM MEMBRANES AND THIN FILM COMPOSITE MEMBRANES, AND METHODS USING SAME  
The present invention includes a patterned thin film membrane and a patterned thin film composite membrane. The present invention also includes a method of making and using the patterned membranes...
US20120012520 FORWARD OSMOSIS MEMBRANES AND METHOD FOR FABRICATING THE SAME  
Disclosed are a forward osmosis membrane capable of ensuring resistance to microorganisms, improving water flux by forward osmosis, and minimizing reverse solute flux by maximizing tortuosity of...
US20090107330 Amorphous silica hybrid membrane structure  
An amorphous silica hybrid membrane structure comprising a monolithic inorganic porous support, optionally one or more porous inorganic intermediate layers, and an amorphous silica membrane. The...
US20090039019 POROUS MEMBRANES CONTAINING EXCHANGE RESINS  
Articles that include two or more exchange resins in one or more microporous membranes, where the membranes remove oppositely charged impurities from a fluid in contact with the membranes, are...
US20070007197 System and method for synthesizing a polymeric membrane  
A method of synthesizing a polymeric membrane is described in which a polymer, for example a polyvinylidene polymer or a terpolymer of ethylene, chlortrifluoroethylene and an acrylic monomer is...
US20140378926 WATER-ABSORBENT RESIN POWDER AND ABSORBER AND ABSORBENT ARTICLE USING THE SAME  
To provide an absorber that has a high absorption speed, is unlikely to cause a liquid to remain on a skin-contacting surface, has excellent dry feeling, and is unlikely to cause excreted body...
US20160114272 HIGH CAPACITY COMPOSITE DEPTH FILTER MEDIA WITH LOW EXTRACTABLES  
A depth filtration device for the clarification of biological fluids including a composite depth filter media having a nonwoven first layer integral with a second layer containing a...
US20080083670 COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME  
The present invention aims at providing a composite semipermeable membrane in which water permeability and salt-blocking rate cannot deteriorate by long-term storage, and at providing a process...
US20070125700 Nanoweb composite material and gelling method for preparing same  
The invention discloses novel composite materials comprising a porous support and a nanoweb coating and/or interpenetrating the porous support. The nanoweb is comprised of fibrous structures...
US20150151984 SEPARATION MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND WATER TREATMENT DEVICE INCLUDING THE SEPARATION MEMBRANE  
An organic/inorganic hybrid membrane may include a plurality of inorganic nanoparticles dispersed in an organic polymer matrix. The surface of the inorganic nanoparticles may be coated with a...
US20110198281 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...

Matches 1 - 50 out of 184 1 2 3 4 >