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Matches 1 - 50 out of 5,041

Document Document Title
WO/2015/110828A1
A process for preparing an ion-exchange membrane having a textured surface profile comprising the steps (i) and (ii): (i) applying a radiation-curable composition to a membrane in a patternwise manner; and (ii) irradiating and thereby cu...  
WO/2015/110843A1
Asymmetric integrally-skinned PAEK nanofiltration membranes suitable for nanofiltration of an organic solvent feed stream are disclosed, together with their uses in organic solvent nanofiltration, and their methods of preparation. Membra...  
WO/2015/105637A1
A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing: i) an azo (-N=N-) content of from 0.30% to 0.80%, as measured by pyrolysis gas chromatography; and ii) a di...  
WO/2015/105636A1
A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing: i) an azo (-N=N-) content of from 0.40% to 1.00%, as measured by pyrolysis gas chromatography; and ii) a di...  
WO/2015/105639A1
A method for making a composite polyamide membrane including the step of applying a polar solution including a polyfunctional amine monomer and a non-polar solution comprising a polyfunctional acyl halide monomer to a surface of a porous...  
WO/2015/105638A1
A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing an azo (-N=N-) content of from 0.75% to 0.95%, as measured by pyrolysis gas chromatography.  
WO/2015/100900A1
A high-strength hollow fiber molecular sieve membrane and a preparation method therefor. A carrier of the high-strength molecular sieve membrane has a multi-channel hollow fiber configuration. The preparation method comprises first prepa...  
WO/2015/103063A1
A composite membrane for selectively pervaporating a first liquid from a mixture comprising the first liquid and a second liquid. The composite membrane includes a porous substrate comprising opposite first and second major surfaces, and...  
WO/2015/100161A1
A carbon molecular sieve (CMS) membrane is made by pyrolyzing a film or hollow fiber membrane made of a polyimide polymer or copolymer essentially consisting of repeating units of dianhydride-derived units and diamine-derived units. At l...  
WO/2015/091189A1
The invention relates to a filter, a filter unit/module or a complete microfluidic device (e.g. a disposable cartridge for diagnostic purposes) with integrated filtration membrane for filtering a component or fluid from a sample and a me...  
WO/2015/091122A1
The invention relates to novel block copolyimides for the production of highly-selective integrally asymmetric gas-separation membranes with improved permeance, to a method for producing the block copolyimides, to membranes produced from...  
WO/2015/090978A1
The invention relates to a process for producing a ceramic element (10) with channel-like cavities (26), comprising the steps of: a) providing a network- or grid-like channel placeholder element (36) of an organic material, preferably of...  
WO/2015/091187A1
The invention relates to a method for the manufacture of a layered membrane construction comprising a) providing a solution comprising a mixture of a polymer A and a polymer B in a weight ratio A/B between 50/50 and 95/05,polymer A havin...  
WO/2015/095038A1
Disclosed are polymeric blend membranes and methods for treating and using the membranes. The membranes include a blend of at least a polymer of intrinsic microporosity (PIM) and a second polymer, wherein the polymeric membrane has been ...  
WO/2015/087635A1
Provided are: a method for modifying an organic membrane, the method being capable of deciding the timing of termination of the modification through a calculation of the degree of progress; a modified membrane obtained by the method; and...  
WO/2015/089130A1
Methods are generally provided for forming a membrane. In one embodiment, the method includes: dispersing GO nanoparticles in a solvent; depositing the GO nanoparticles on a support to form a GO membrane; and reducing the GO membrane to ...  
WO/2015/084279A1
The present invention relates to an antibacterial membrane and a production method thereof essentially comprising the steps of synthesizing bismuth chelate (11) and obtaining membrane from the synthesized bismuth chelate; which is especi...  
WO/2015/082546A1
The present invention relates to a process for producing a polymer membrane based on poly(meth)acrylonitrile, using a solution containing poly(meth)acrylonitrile. The solution includes a solvent for poly(meth)acrylonitrile, and a non-sol...  
WO/2015/084511A1
A method for making a composite polyamide membrane including a porous support and a thin film polyamide layer, wherein the method includes: (i) applying a polar solution comprising a polyfunctional amine monomer and a non-polar solution ...  
WO/2015/084512A1
A method for making a composite polyamide membrane comprising a porous support and a polyamide layer, including the steps of: i) applying a polar solution including a polyfunctional amine monomer and a non-polar solution including a poly...  
WO/2015/080810A1
A method of improving the vertical wicking properties of an inert foam substrate used in air conditioning units includes the step of coating the inert foam substrate with a hydrophilic material. The hydrophilic material can be a zeolite,...  
WO/2015/080581A2
The present invention is in the field of a composition for forming a bio-compatible membrane applicable to building material, such as steel, stainless steel, iron alloy, cast steel, etc., to a method of applying said composition for form...  
WO/2015/079442A1
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 advantages over the current state of the art i...  
WO/2015/080581A3
The present invention is in the field of a composition for forming a bio-compatible membrane applicable to building material, such as steel, stainless steel, iron alloy, cast steel, etc., to a method of applying said composition for form...  
WO/2015/071276A1
The invention relates to a method for producing a solvent-stable polymer membrane, wherein a solution containing poly(meth)acrylonitrile, which at the same time contains a cross-linking agent, is used. The solution can be cast as a film,...  
WO/2015/070288A1
The present invention relates to a gas separation membrane for separating a target gas species from a mixture of gas species, the membrane comprising: (i) a porous substrate having a first and second surface region between which the mixt...  
WO/2015/073161A1
The present invention is directed to microfiltration and ultrafiltration membranes comprising a microporous material. The microporous material comprises: (a) a polyolefin matrix present in an amount of at least 2 percent by weight, (b) f...  
WO/2015/067904A1
A ceramic support for gas separation, consisting of a zirconia stabilised with yttrium and/or with calcium of which the porosity is greater than 20%, said support being obtained by sintering a feedstock comprising molten grains of yttriu...  
WO/2015/066347A1
A functionalized porous ceramic membrane is disclosed for separating non-polar organic compounds from a liquid feed. The membrane may include an elongated porous ceramic body having a first end, a second end, and an outer peripheral edge...  
WO/2015/063792A4
Asymmetric membranes in hollow fiber and flat sheet forms are disclosed herewith. The process of preparation of the membranes is further disclosed. The membranes are characterized and find application in the separation of gases and solutes.  
WO/2015/063792A1
Asymmetric membranes in hollow fiber and flat sheet forms are disclosed herewith. The process of preparation of the membranes is further disclosed. The membranes are characterized and find application in the separation of gases and solutes.  
WO/2015/065394A1
A method comprises forming etching islands on a substrate and exposing the substrate with etching islands to a solution that reacts with the etching islands to form a filter passage of interconnected pores in the substrate. The filter pa...  
WO/2015/061603A1
A mold assembly for forming a bottom end cap in a pleated filter cartridge includes a master mold component having a cup-shaped body including a bottom wall and an annular peripheral wall, an interior surface of the bottom wall having a ...  
WO/2015/060782A1
The invention relates to composite membranes, and in particular, to graphene oxide/polymer composite membranes having graphene oxide embedded in the polymer matrix. Methods for forming the graphene oxide/polymer composite membranes are a...  
WO/2015/057429A1
Disclosed are mixed matrix polymeric membranes comprising a plurality of metal-organic frameworks (MOFs), or in some aspects a zeolitic imidazolate frameworks (ZIFs), and a polymeric matrix, wherein the plurality of MOFs are attached to ...  
WO/2015/055960A1
The invention relates to a method for manufacturing a filtration membrane including the following steps: a) selecting and preparing an organic polymer, such as a collodion; b) injecting a collodion into at least one channel of an extrusi...  
WO/2015/056145A1
Polyethers (A), whose main chain essentially consists of repeating units of the formulae (1 ) and (2) in alternating order, are useful as an additive to a porous polymer membrane, or as the main polymer constituent of a porous polymer me...  
WO/2015/051928A1
The present invention pertains to a process for manufacturing a fluoropolymer membrane, said process comprising the following steps: (i) providing a composition [composition (C)] comprising, preferably consisting of: - at least one fluor...  
WO/2015/052579A1
Embodiments of the present disclosure provide for polystyrene-b-polyethylene oxide (PS-b-PEO) block copolymer nanoporous membranes, methods of making a PS-b-PEO block copolymer nanoporous membrane, methods of using PS-b-PEO block copolym...  
WO/2015/049502A1
A composite gas membrane comprising: a) a porous support; b) an activated gutter layer; c) a discriminating layer located on the gutter layer;and d)optionally a protective layer on the discriminating layer; wherein the said layers remain...  
WO/2015/050784A1
Microporous materials that include thermoplastic organic polyolefin polymer (e.g., ultrahigh molecular weight polyolefin, such as polyethylene), particulate filler (e.g., precipitated silica), and a network of interconnecting pores, are ...  
WO/2015/049504A1
A composite membrane comprising: a) a porous support; b) a gutter layer; and c) a discriminating layer which satisfies Formula (1): wherein: Ø is <4; x is the arithmetic mean of N measurements of the thickness of the discriminating laye...  
WO/2015/044335A2
The present invention concerns a highly hydrophilic and antimicrobial flat membrane and a method thereof. The highly hydrophilic antimicrobial flat membrane comprises a polymeric membrane, and a polymerized coating obtained thereof by po...  
WO/2015/044941A1
The present invention provides a semipermeable membrane having enhanced alkaline stability and a method of forming a semipermeable membrane having enhanced alkaline stability, comprising steps of: providing an ultrafiltration (UF) base m...  
WO/2015/047090A1
The invention relates to a microbial filter device and method for providing such device. The method for manufacturing the microbial filter device comprises the steps of: - providing a first metal layer; - providing a side of the first me...  
WO/2015/046141A1
Provided is a gas separation membrane which is provided with a separation layer containing a resin and a protective layer formed on the separation layer. Since the oxygen atom ratio (unit: %) on the protective layer side of the separatio...  
WO/2015/044335A3
The present invention concerns a highly hydrophilic and antimicrobial flat membrane and a method thereof. The highly hydrophilic antimicrobial flat membrane comprises a polymeric membrane, and a polymerized coating obtained thereof by po...  
WO/2015/047667A1
A hyperfiltration system (10) and method for treating water including: a vessel (20) having a feed inlet (22), a permeate outlet (24), and a concentrate outlet (26); at least one spiral wound membrane element (28) located within the vess...  
WO/2015/034329A1
Disclosed are a separation membrane including a Group 5-based alloy, wherein crystal particles in the alloy have an average minor axis length of about 3 μm to about 10 μm and an aspect ratio of about 1:8 to 1:20, wherein the alloy is r...  
WO/2015/032786A1
The present invention relates to membranes being suitable e.g. for hemodialysis, hemodiafiltration, or hemofiltration of blood. The invention also relates to a process for the production of the membranes; and to devices comprising the me...  

Matches 1 - 50 out of 5,041