Matches 1 - 50 out of 107 1 2 3 >


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US20130334130 NOVEL FOULING RESISTANT COATING FOR FILTRATION MEMBRANES AND METHODS OF PRODUCING AND USING SAME  
A conformal coating that resists fouling by waterborne contamination in aquatic environments, a method for fabricating the coating, and a filter having such a coating are disclosed. The coating...
US20140263036 FLEXIBLE FREE-STANDING ULTRATHIN OR THIN PROTEIN MEMBRANE  
A flexible porous free-standing protein membrane includes cross-linked protein. At least part of pores of the porous membrane is formed by removing nanostrands whose diameters are 2-3 nm, the...
US20140151288 GRAPHENE MEMBRANE LAMINATED TO POROUS WOVEN OR NONWOVEN SUPPORT  
Technologies are generally described for composite membranes which may include a porous graphene layer in contact with a porous support substrate. In various examples, a surface of the porous...
US20130256215 COMPOSITE SEMIPERMEABLE MEMBRANE  
Provided is a composite semipermeable membrane, comprising: a microporous support membrane which comprises a substrate and a porous support, and a polyamide separation functional layer formed on...
US20130105395 NANOSTRUCTURED MEMBRANES FOR ENGINEERED OSMOSIS APPLICATIONS  
In one aspect, the invention relates to engineered osmosis and related membrane-based separation technologies. Disclosed are semi-permeable nanostructured osmosis membranes comprising a film...
US20150217237 METHOD FOR PRODUCING A THERMORESPONSIVE FILTRATION MEMBRANE AND THERMORESPONSIVE FILTRATION MEMBRANE  
The invention relates to a method for producing a thermoresponsive filtration membrane, particularly a microfiltration membrane or ultra-filtration membrane, and a corresponding thermoresponsive...
US20120043275 Nanofabricated Membrane Using Polymerized Proteoliposomes  
The present invention generally related to a nanofabricated membrane including polymerized proteoliposomes. The nanofabricated membrane is a bio-nano fused selective membrane using...
US20130292325 METHOD FOR PREPARING REVERSE OSMOSIS MEMBRANE, AND REVERSE OSMOSIS MEMBRANE PREPARED THEREBY  
There is disclosed a method for preparing a reverse osmosis membrane, the method including: forming a first coating layer by coating an aqueous amine solution on a surface of a microporous support...
US20120234758 FORWARD OSMOSIS MEMBRANES  
Forward osmosis membranes include an active layer and a thin support layer. A bilayer substrate including a removable backing layer may allow forward osmosis membranes with reduced supporting...
US20110210064 FILTRATION MATERIAL FOR DESALINATION  
The invention discloses a filtration material for desalination, including a support layer, and a desalination layer formed on the support layer, wherein the desalination layer is a fiber composite...
US20120285890 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...
US20140332459 BIOCIDE-LOADED ELECTROSPUN NANOFIBERS SUPPORTED BY ADHESIVE-FREE THIN FABRIC FOR PATHOGEN REMOVAL FILTRATION  
The invention provides a novel type of filter media that offers efficient disinfection effects, while achieving a low water pressure drop and a high water flow rate when in use. Specifically, the...
US20080203013 OXIDATION-RESISTANT COMPOSITE REVERSE OSMOSIS MEMBRANE  
Disclosed is a oxidation resistant composite reverse osmosis membrane, comprising a porous support and a polyamide layer, in which the polyamide layer is modified by an agent so that the membrane...
US20130026088 MEMBRANE AND MEMBRANE SEPARATION SYSTEM  
Described herein is a method for altering the characteristics of a membrane comprising a dielectric material. The method comprises heating the membrane and applying an electric field in a...
US20110120942 MODIFIED POLYAMIDE MEMBRANE  
A modified polyamide membrane and method for making and using the same. The present invention includes many embodiments including methods comprising contacting a polyamide membrane with certain...
US20130256230 MEMBRANE SUITABLE FOR BLOOD FILTRATION  
The invention relates to a membrane construction comprising multiple layers wherein at least one of the layers is a nanoweb made of polymeric nanofibers, wherein the mean flow pore size of the...
US20130334123 MICROPOROUS MEMBRANE AND METHOD FOR FORMING  
The present disclosure describes a method for forming microporous membranes. More specifically, vapor induced phase separation techniques are used for forming multizone microporous membranes...
US20140319051 WATER-TREATMENT SEPARATING MEMBRANE OF HIGH FLUX HAVING GOOD CHLORINE RESISTANCE  
A water-treatment separating membrane includes a polyamide active layer formed on a porous support. When the polyamide active layer is dyed using a 5% aqueous solution of Rhodamine B, at least a...
US20060144782 Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood  
The present invention relates to a permselective asymmetric hollow fibre membrane for the separation of toxic mediators from blood, comprised of at least one hydrophobic polymer and at least one...
US20140311969 WATER-TREATMENT SEPARATING MEMBRANE OF HIGH FLUX HAVING GOOD CHLORINE RESISTANCE  
A water-treatment separating membrane includes a polyamide active layer formed on999 a porous support. The ratio of a maximum value with respect to a minimum value of a ratio of a peak height of a...
US20150190759 COMPOSITE SEMIPERMEABLE MEMBRANE  
A composite semipermeable membrane includes a porous supporting membrane and a separation functional layer, in which, in cross-sections having a length of 2.0 μm in a membrane surface direction,...
US20120137885 NANOFIBRE MEMBRANE LAYER FOR WATER AND AIR FILTRATION  
The invention relates to a nanofibre membrane layer having a basis weight of 0.01-50 g/m2 and a porosity of 60-95%, comprising a nanoweb made of polymeric nanofibres with a number average diameter...
US20110284458 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...
US20150218017 Methods for Reducing Ion Exchange and Reverse Salt Flux Phenomena in Membranes for Osmotically Driven Membrane Processes  
A method of modifying a semi-permeable osmotic membrane including treating the membrane to reduce at least one of an ion exchange and reverse draw solute flux phenomena in osmotically driven...
US20110203990 CHLORINE RESISTANT POLYAMIDES AND MEMBRANES MADE FROM THE SAME  
A chlorine resistant polyamide is formed from the reaction product of an amine and an acid chloride monomer wherein the acid chloride monomer is modified with electron-withdrawing groups that...
US20150068978 ENHANCMENT OF MEMBRANE ROBUSTNESS BY TREATMENT WITH IONIC MATERIALS  
The disclosure is directed to an intermediate filtering membrane comprising: a filtering membrane having a charged or polar surface; and a transiently coupled charged compound, wherein the charged...
US20120085697 CAST-ON-TRICOT ASYMMETRIC AND COMPOSITE SEPARATION MEMBRANES  
The present invention the manufacture of a membrane for gas and liquid separations in which a polymer layer is applied directly to a tricot fabric instead of the conventional cloth or glass or...
US20130233791 SEPARATION MEMBRANE FOR WATER TREATMENT AND MANUFACTURING METHOD THEREOF  
The present invention relates to a separation membrane for water treatment having high water flux and membrane contamination preventing characteristics, and a manufacturing method thereof. The...
US20080237118 Polyamide Reverse Osmosis Composite Membrane and Preparation Method Thereof  
An amine aqueous solution for forming an active layer of a polyamide reverse osmosis composite membrane is prepared, which consists of 0.1 through 20 weight % of polyfunctional aromatic amine...
US20130284669 NEGATIVELY CHARGED POROUS MEDIUM FOR REMOVING PROTEIN AGGREGATES  
A negatively charged microporous filtration medium having a high charge density comprising a porous substrate and a polymerized cross-linked polymeric coating located on the inner and outer...
US20110192788 METHOD FOR PRODUCING POROUS THERMOSETTING RESIN SHEET, POROUS THERMOSETTING RESIN SHEET AND COMPOSITE SEMIPERMEABLE MEMBRANE USING SAME  
Disclosed is a method for easily producing a long porous thermosetting resin sheet which has no resin coating film on the surface. Also disclosed are a porous thermosetting resin sheet produced by...
US20140042082 CHLORINE RESISTANT AMIDES, POLYAMIDES, AND MEMBRANES MADE FROM THE SAME  
A chlorine resistant polyamide is formed from the reaction product of an amine and an acid chloride monomer wherein both the amine and the acid chloride monomer are modified with...
US20060169634 Reverse osmosis membrane and method for producing the same  
A reverse osmosis membrane that has alkali resistance, and therefore can maintain high boron rejection performance even at high pH region, and a method for producing the membrane are disclosed....
US20150060364 Thin Film Composite Membrane Structures  
Provided are thin film composite membrane structures comprising: a selective membrane layer for ion rejection attached to a support layer, the support layer comprising a multi-zone microfiltration...
US20150096935 NANOCARBON IMMOBILIZED MEMBRANES  
Membranes including functionalized carbon nanotubes, nanodiamonds and/or graphene oxide immobilized in or on the membranes are disclosed. The membranes including the immobilized nanocarbons...
US20120255909 REVERSE OSMOSIS COMPOSITE MEMBRANES FOR BORON REMOVAL  
Improved methods for reducing boron concentration in seawater or brackish water, while simultaneously maintaining or improving the salt rejection of membrane and flow performance of polyamide...
US20070102347 Temperature-responsive membrane, temperature-responsive membrane module, and membrane filtration system in which the same are used  
Provided is a membrane filtration system which makes it possible to improve operation rate of the system by increasing the amount of water to be treated, and to reduce costs required for chemical...
US20090159527 MODIFIED MEMBRANE  
A multilayered modified membrane and method for making the same, comprising a modified discriminating layer that can have a fouling resistant surface, improved salt rejection, antimicrobial...
US20130146530 MEMBRANE, WATER TREATMENT SYSTEM, AND METHOD OF MAKING  
One aspect of the present invention includes a membrane. The membrane includes a porous support and a polymeric layer disposed on the porous support. The membrane further includes a plurality of...
US20140326669 DOPED MEMBRANES  
Synthetic membranes for the removal, isolation or purification of substances from a liquid. The membranes include at least one hydrophobic polymer and at least one hydrophilic polymer. 5-40 wt.-%...
US20130037482 COMPOSITE SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT USING THE SAME  
The present invention provides a composite separation membrane with improved separation performance, particularly with an increased permeation flux. The composite separation membrane of the...
US20080277333 CHLORINE RESISTANT POLYAMIDES AND MEMBRANES MADE FROM THE SAME  
A chlorine resistant polyamide is formed from the reaction product of an amine and an acid chloride monomer wherein the acid chloride monomer is modified with electron-withdrawing groups that...
US20130313187 Resilient Ion Exchange Membranes  
A process for producing a resilient ion exchange membrane. The process comprises the steps of (1) selecting a porous matrix, (2) saturating the porous matrix with a homogenous solution comprising...
US20060207930 Interfacial composite structure and method of making them  
An interfacial composite structure as well as a method of making an interfacial composite structure are disclosed. The interfacial composite structure includes a support structure; and an...
US20120228214 Filled Porous Membrane  
A porous membrane may have a high concentration of spherical fillers with a polymer binder. The polymer binder may have an affinity for the filler materials and may hold the filler materials...
US20120305473 COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD OF PRODUCING THE SAME  
Provided is a composite semipermeable membrane having a polyamide separation-functional layer on a porous support layer, wherein the polyamide separation-functional layer has a yellow index of 10...
US20150238908 FILTRATION MEMBRANES WITH NANOSCALE PATTERNS  
A membrane for fluid transfer includes a base membrane and a pattern, that covers a working area of a surface thereof, formed of a compatible material. The pattern has periodicity and/or amplitude...
US20070039874 Membranes and methods of treating membranes  
Membranes as well as a methods of treating membranes are disclosed. The method of treating a membrane includes contacting the membrane with a first solvent, contacting the membrane with an inert...
US20080113177 Aromatic Polyamide Porous Film, Process for Producing the Same and Secondary Battery  
The problem addressed by this invention is to provide an aromatic polyamide porous film excellent in the capability of being thinned and capable of easily exhibiting stable porosity properties...
US20150259227 FUNCTIONAL POLYMER MEMBRANE AND METHOD OF PRODUCING THE SAME  
A functional polymer membrane having a pore volume fraction of 0.6% or more and 3.0% or less by allowing a reaction of curing a composition containing a polymerizable compound (A) and a...

Matches 1 - 50 out of 107 1 2 3 >