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Matches 1 - 50 out of 4,999

Document Document Title
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/2015/063792A1
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/2015/047667A1
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...  
WO/2015/030594A1
Gaseous molecules, such as H2, CO2and CH4,can be separated using a hybrid organic-inorganic polyimide network membrane, wherein the polyimide contains bis-imide units of formula 1 (formula 1), wherein A represents an organic moiety havin...  
WO/2015/028041A1
The invention relates to a porous proton-conducting material which comprises an inorganic-organic network representing a metal-organic complex of a coordinating metal cation with an aromatic compound, which compound comprises a) a rigid ...  
WO/2015/028426A1
A method for making a composite membrane comprising the steps of: - coating a first layer of ionomer on an intermediate support; - laminating a dry porous support into the wet first layer of ionomer; - impregnating the porous support wit...  
WO/2015/023966A1
Provided are nanoporous silicon nitride membranes and methods of making such membranes. The membranes can be part of a monolithic structure or free-standing. The membranes can be made by transfer of the nanoporous structure of a nanoporo...  
WO/2015/018420A1
Methods of producing a ceramic filter membrane and of repairing a ceramic filter membrane and the so obtained membrane. The method for producing a membrane includes a first step of applying a first dispersion comprising ceramic particles...  
WO/2015/015009A1
The post-treatment of microporous polyolefin by sulfonation is disclosed The method provides sulfonated microporous polyolefins suitable for use reverse osmosis.  
WO/2015/008141A2
Embodiments of the present disclosure provide for materials that include a pre-designed patterned, porous membrane (e.g., micro- and/or nano-scale patterned), structures or devices that include a pre-designed patterned, porous membrane, ...  
WO/2015/008141A3
Embodiments of the present disclosure provide for materials that include a pre-designed patterned, porous membrane (e.g., micro- and/or nano-scale patterned), structures or devices that include a pre-designed patterned, porous membrane, ...  
WO/2015/003880A1
The invention relates to an asymmetrically porous membrane M made of thermoplastic silicone elastomer S1, which has at least two amino NH groups per molecule and is crosslinked by means of aldehyde. The invention also relates to two meth...  
WO/2015/005808A1
The subject of the present invention is a microporous material and a method of producing it, which is useful in many areas of technology in which make use of materials with a highly developed free internal surface area.  
WO/2015/003957A1
The invention relates to a symmetrically porous membrane M made of thermoplastic silicone elastomer S1, which has at least two amino NH groups per molecule and which is cross-linked by means of aldehyde. The invention further relates to ...  
WO/2015/005883A3
Present invention relates to a controlled released composite membrane comprising hydrophobic styrene-butadiene-styrene block copolymer (2) as hydrophobic continuous medium (5) and hydrophilic functional agents incorporated within silica ...  
WO/2014/206735A1
The invention relates to an isolated waterproof polymeric nanomembrane comprising pores of different geometric shapes and of a controlled size between 10 and 1000 nm, which is larger than the thickness of the membrane, and a method of pr...  
WO/2014/207150A1
The present invention relates to a whole blood hollow fiber membrane filter medium comprising a polymeric material having a pore size ensuring permeability to blood plasma or serum and its molecular components, but retaining blood cells ...  
WO/2014/207140A1
The present invention relates to a whole blood hollow fiber membrane filter medium comprising a ceramic material having a pore size ensuring permeability to blood plasma or serum and its molecular components, but retaining blood cells an...  
WO/2014/209701A1
This invention relates to high hydrocarbon resistant chemically cross-linked aromatic polyimide polymers, membranes and methods for making and using these polymers and membranes. The high hydrocarbon resistant chemically cross-linked aro...  
WO/2014/209699A1
The present invention generally relates to high permeability, UV cross-linkable copolyimide polymers and membranes for gas, vapor, and liquid separations, as well as methods for making and using these membranes. The invention provides a ...  
WO/2014/201920A1
A method for preparing a multichannel ceramic hollow fiber membrane. According to a certain ratio, ceramic powder, a high-molecular polymer, an organic solvent, and a dispersant are mixed evenly to prepare a membrane casting solution; an...  
WO/2014/202324A1
The invention relates to polyimide membranes, preferably P84 type 70 or P84 HT, having improved chemical and physical properties, and to a method for the production and use thereof.  
WO/2014/199062A1
The present invention relates to a method for manufacturing a membrane for filtering a fluid, said membrane comprising: a substrate having a three-dimensional structure and consisting of an one-piece ceramic porous body; and at least one...  
WO/2014/199268A1
A polyolefin material that is formed by solid state drawing of a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and nanoinclusion additive is provided. The nanoinclusion additive is disp...  
WO/2014/191296A1
The invention relates to a hydrophobic hollow fiber membrane made of a vinylidene fluoride polymer, with a wall, a wall thickness, an outer surface on the membrane outer face, an inner surface on the membrane inner face facing the membra...  
WO/2014/191299A1
The invention relates to a ceramic element for a fluid separating device for separating dissolved or suspended substances in a solvent, preferably by reverse osmosis. The ceramic element (10; 110) comprises a solid main part with a front...  
WO/2014/189610A1
Methods of forming polymer layers on polymer surfaces using surface initiated atom-transfer radical-polymerization (ATRP) are described. The method can include functionalization steps prior to performing surface initiated ATRP, such as h...  
WO/2014/187978A1
A proton conducting ceramic membrane comprising a conducting layer, wherein said conducting layer comprises a mixture of a rare-earth tungstate as herein defined and a mixed metal oxide as herein defined. The invention also relates to a ...  
WO/2014/186819A1
A process for producing a plurality of polyacrylamide membranes comprising (a) providing acrylamide monomer solution and crosslinking agent to a membrane casting vessel; (b) providing a casting plate to the bottom of the vessel; (c) prov...  

Matches 1 - 50 out of 4,999