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Matches 451 - 500 out of 24,891

Document Document Title
WO/2017/110898A1
A composite semipermeable membrane according to the present invention is provided with a support membrane and a separation function layer. In the membrane, the separation function layer contains an aromatic polyamide; the aromatic polyam...  
WO/2017/110984A1
The purpose of the present invention is to purify an SGP substance with high efficiency and in a simple manner. The present invention provides: a method for purifying an SGP substance by means of cross-flow ultrafiltration, said method b...  
WO/2017/112555A1
The disclosure of the present invention relates to a method for preparing membrane and associated membrane and filter element. The method comprises providing a porous substrate having a plurality of pores; and applying a pre-filier solut...  
WO/2017/109092A1
The present invention pertains to a fluoropolymer-based porous membrane, to a process for manufacturing said porous membrane and to use of said porous membrane as filtration membrane for liquid and/or gas phases, in particular water-base...  
WO/2017/109078A1
The present invention pertains to a porous membrane, to a process for manufacturing said porous membrane and to use of said porous membrane as filtration membrane for liquid and/or gas phases, in particular water-based phases.  
WO/2017/111989A1
One method as described herein relates to making a membrane comprising an uncrosslinked high molecular weight, monoesterified polyimide polymer with a small amount of bulky diamine. These uncrosslinked high molecular weight, monoesterifi...  
WO/2017/108534A1
The invention provides a porous membrane comprising polyvinyl chloride (PVC) and at least one inorganic filler embedded in the porous membrane wherein the inorganic filler comprises sulfuric acid precipitated silica. The invention furthe...  
WO/2017/111990A1
One method as described herein relates to making a membrane comprising an uncrosslinked high molecular weight polyimide polymer with a small amount of bulky diamine. Also as described herein is a hollow fiber polymer membrane comprising ...  
WO/2017/110184A1
Provided is a cell-trapping filter which has a high cell-trapping efficiency and excellent water resistance. The cell-trapping filter comprises a base equipped with a mechanism for separating cells in accordance with size, wherein the ba...  
WO/2017/107317A1
A method for modifying a polymer membrane by means of ultrasonic in-situ polymerization, and a polymer separation membrane prepared using the method. Nearby polymer macromolecules or micromolecules are cracked to generate free radicals b...  
WO/2017/109260A1
Method for treating water by nanofiltration or reverse osmosis with a forward osmosis system as pretreatment, which comprises a control system by means of which the flow difference between the inlet and the outlet of the membrane at eith...  
WO/2017/111140A1
The present invention addresses the problem of providing a composite semipermeable membrane which has a practical level of water permeation performance and high acid resistance. The present invention relates to a composite semipermeable ...  
WO/2017/104955A1
The present invention relates to a polymer separator used in an apparatus for treating boiler feed water for the recovery of oil sands and, more specifically, to a polyketone separator that has excellent heat resistance and filtration pe...  
WO/2017/104260A1
Provided is a filtration device capable of capturing a specific type of particle by filter from within a fluid containing two or more types of particles that are objects to be filtered. The filtration device (1) is provided with: a tubul...  
WO/2017/103164A1
The present invention provides a membrane based separation method for the separation or enrichment of one or more unsaturated compounds from mixtures of chemically similar organic compounds having a different degree of unsaturation, usin...  
WO/2017/104658A1
The purpose of the present invention is to provide an electrochemical element that can withstand prolonged use, with little damage or degradation due to the pressure of hydrogen gas generated, even when used for prolonged periods of time...  
WO/2017/104569A1
The purpose of the present invention is to provide: a support for forming a hydrogen discharge film, which does not easily break when pressure is applied, and which exhibits excellent pressure-resistant airtightness; and a laminated hydr...  
WO/2017/104557A1
[Problem] The present invention addresses the problem of providing: a hollow-fiber membrane to which cells can be adhered and on which the cells can be cultured without the need of being provided with a coating of a cell adhesion factor;...  
WO/2017/104824A1
This composite semipermeable membrane is provided with: a porous supporting membrane that comprises a base and a porous supporting layer; and a separating function layer that is provided on the porous supporting layer. With respect to th...  
WO/2017/100878A1
The present invention relates to a process for producing an asymmetric glucomannan membrane without using organic solvents. The invention further relates to an asymmetric glucomannan membrane produced using this process. The invention ha...  
WO/2017/104261A1
Provided is a filtration device that further suppresses clogging of a filter and makes it possible to further improve filtration efficiency. The filtration device is provided with: a tubular member comprising a flow path through which a ...  
WO/2017/103473A1
The present invention relates to a monolithic membrane filter for filtering liquids, comprising: a support member composed of a porous inorganic material with a permeability Ks, said support member having a tubular shape with a main axis...  
WO/2017/105836A1
The invention is an improved method of making a carbon molecular sieve (CMS) membrane in which a precursor polymer is pyrolyzed to form a carbon molecular sieve membrane that is then exposed to a conditioning atmosphere comprised of a ta...  
WO/2017/104558A1
[Problem] The present invention addresses the problem of providing a hollow-fiber membrane whereby cell adhesion and culture is possible without the need for a cell adhesion factor coating, and a cell culture method which uses the hollow...  
WO/2017/104259A1
Provided is a filter having a structure that is suitable for cases in which cross-flow filtration is carried out using a porous metal film. The filter is provided with: a porous metal film (41) comprising a film section (41a) for filteri...  
WO/2017/104570A1
The purpose of the present invention is to provide: a support for forming, by way of a sputtering method or the like, a hydrogen discharge film which is thin, and which does not leak necessary components other than hydrogen gas in an ele...  
WO/2017/100491A1
Hollow fiber membranes comprising fluoro-copolymers, and processes of making and using the hollow fiber membranes are described. The fluoro-copolymers have a weight average molecular weight between about 100,000 and about 500,000 Daltons...  
WO/2017/098433A1
Provided herein are methods of fabricating membranes using polymers with functionalized groups such as sulfone (e.g., PSf and PES), ether (e.g., PES), acrylonitrile (e.g., PAN), fluoride(e.g., pvdf and other fluoropolymers), and imide (e...  
WO/2017/098916A1
Provided is a separation membrane for processing an acidic gas-containing gas, which is provided with a uniform and dense separation layer that is free from defects. A separation membrane for processing an acidic gas-containing gas, whic...  
WO/2017/098802A1
Provided is a gas separation membrane with a protective layer, which has good initial gas permeability, rubbing resistance and bending resistance. This gas separation membrane with a protective layer comprises, in the following order, a ...  
WO/2017/100233A1
A non-cryogenic system for producing high-purity nitrogen is connected to a coiled-tubing unit. The nitrogen is produced by passing compressed ambient air through two polymeric membrane modules connected in series. The output of the seco...  
WO/2017/100028A1
Microdialysis sampling is an essential tool for in vivo neurochemical monitoring. Conventional dialysis probes are over 220 µm in diameter and have limited flexibility in design because they are made by assembly using preformed membrane...  
WO/2017/100064A1
A mobile wastewater treatment system (130) is disclosed that includes a desanding hydrocyclone (102), a deoiling hydrocyclone (104), an electrocoagulation apparatus (106) that is adapted to receive a flow of treated wastewater from the d...  
WO/2017/100758A1
Organized materials on a substrate. The organized materials are monolayer(s) of close-packed nanoparticles and/or microparticles. The organized materials can be formed by transfer of one or more monolayers to a substrate from a coating c...  
WO/2017/098887A1
Provided is a method for producing a gas separation membrane with a protective layer having good gas permeability before rubbing resistance test and good gas permeability after rubbing resistance test. This method for producing a gas sep...  
WO/2017/096126A1
Provided herein are certain sulfone polymers having zwitterionic functionality and blends thereof which are suitable for preparation of flat sheet membranes. The polymer blends comprise a blend of a first polymer comprising a sulfone pol...  
WO/2017/094473A1
A method for manufacturing a composite film provided with a porous base material and a porous layer formed by coating one surface or both surfaces of the porous base material with a coating fluid that includes a resin and a solvent, wher...  
WO/2017/096140A1
Provided herein are blends of polymers which are suitable for preparation of hollow fiber membranes. The polymer blends comprise a blend of a first polymer comprising a sulfone polymer having zwitterionic functionality and a second polym...  
WO/2017/090247A1
This polytetrafluoroethylene porous film (20) has an average pore size of 0.03-0.2 μm and a porosity of from more than 25% to 90%. The number of pores present in a region having a width of 23 μm and a thickness of 1 μm in a cross-sect...  
WO/2017/091357A1
A polymer including a sub-unit comprising a Troger' s base moiety represented by: Formula (I) wherein L comprises an arylene group including at least one substituent group selected from: i) a crosslinking bond and ii) a functional group ...  
WO/2017/088070A1
A composite material is described that is an effective filter to separate oil from an oil and water emulsion or other mixtures of oil and water. The composite material has a permeable substrate, such as fabric, that is coated with a sele...  
WO/2017/091178A1
The invention relates to obtaining a nanofiber membrane by coating a hollow braided rope (3) with a nanofiber layer (2), to the usage of said tubular nanofiber membrane as a support layer membrane, and to the fabrication of forward osmos...  
WO/2017/085054A1
The present invention is directed to nanofiltration (NF) composite membranes comprising at least one polymeric porous substrate layer (S) and at least one porous selfassembled supramolecular membrane layer (F); a method of preparing such...  
WO/2017/085022A1
Device comprising a hydrogen purification membrane (1), the membrane (1) comprising a hydrogen permeation-selective, dense metallic foil (2) having a low pressure side (4) and a high pressure side (3), defining a permeation direction of ...  
WO/2017/087180A1
The present invention discloses high selectivity copolyimide membranes for gas, vapor, and liquid separations. Gas permeation tests on these copolyimide membranes demonstrated that they not only showed high selectivity for CO2/CH4 separa...  
WO/2017/086084A1
A repair method for a separation membrane (30) comprises a step for adhesion of a colloidal solution with a prescribed pH, wherein repair material particles are dispersed in an aqueous solvent, to the surface of the separation membrane (...  
WO/2017/086203A1
The present invention addresses the problem of providing a gas selective permeable membrane which has gas permeability and gas selectivity that is capable of highly separating a targeted gas and other gases, and which is hardly affected ...  
WO/2017/085322A1
A method of preparing a membrane comprising the steps of: a) mixing together a membrane-forming polymer, a water-soluble polyetheramine, and a solvent, said mixture containing no component which will react chemically with the polyetheram...  
WO/2017/086997A1
Disclosed here are semi-permeable cross-linked polyvinyl alcohol (PVA) based membranes that can be used as supports for water purification membranes, and methods for their production. The cross-linked PVA-based membranes are cross-linked...  
WO/2017/085551A1
The present disclosure relates, according to some embodiments, to systems, apparatus, and methods for fluid purification (e.g., water) with a ceramic membrane. For example, the present disclosure relates, in some embodiments, to a cross-...  

Matches 451 - 500 out of 24,891